Neptune Technologies & Bioressources Inc. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 100000 - Document - Document and Entity Information Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DocumentDocumentAndEntityInformation
2 Implied Table Table

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3 Document And Entity Information [Abstract] Abstract nept:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
6 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
10 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
11 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
12 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
13 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
14 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
15 100010 - Statement - Consolidated Statements of Financial Position Network

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16 Implied Table Table

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17 Statement Of Financial Position [Abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
18 Assets Abstract ifrs-full:AssetsAbstract
19 Current assets: Abstract ifrs-full:CurrentAssetsAbstract
20 Cash and cash equivalents (note 24) Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
21 Restricted short-term investment (note 24) Concept (Monetary) As Of Debit ifrs-full:CurrentInvestments
22 Trade and other receivables (note 5) Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
23 Tax credits receivable (note 18) Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssetsCurrent
24 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
25 Inventories (note 6) Concept (Monetary) As Of Debit ifrs-full:Inventories
26 Other financial asset (note 21 (a)(iii)) Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
27 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
28 Restricted short-term investments (note 24) Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
29 Property, plant and equipment (note 7) Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
30 Intangible assets (note 8) Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
31 Goodwill (note 8) Concept (Monetary) As Of Debit ifrs-full:Goodwill
32 Tax credits recoverable (note 18) Concept (Monetary) As Of Debit nept:TaxCreditsRecoverableNonCurrent
33 Deferred tax assets (note 18) Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
34 Other assets (notes 13 and 21 (a)(i)) Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
35 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
36 Liabilities and Equity Abstract ifrs-full:EquityAndLiabilitiesAbstract
37 Current liabilities: Abstract ifrs-full:CurrentLiabilitiesAbstract
38 Trade and other payables (note 9) Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
39 Loans and borrowings (note 10) Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
40 Deferred revenues Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
41 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
42 Deferred lease inducements Concept (Monetary) As Of Credit ifrs-full:RentDeferredIncomeClassifiedAsNoncurrent
43 Long-term payable (note 11) Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayables
44 Deferred tax liabilities (note 18) Concept (Monetary) As Of Credit ifrs-full:NetDeferredTaxLiabilities
45 Loans and borrowings (note 10) Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
46 Unsecured convertible debentures Concept (Monetary) As Of Credit nept:UnsecuredConvertibleDebentures
47 Other financial liabilities (note 21 (a)(ii) and (iii)) Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentFinancialLiabilities
48 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
49 Equity: Abstract ifrs-full:EquityAbstract
50 Share capital (note 12) Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
51 Warrants (note 12 (e)) Concept (Monetary) As Of Credit nept:Warrants
52 Contributed surplus Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
53 Accumulated other comprehensive income (loss) Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
54 Deficit Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
55 Total equity attributable to equity holders of the Corporation Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
56 Non-controlling interest (note 13) Concept (Monetary) As Of Credit nept:NoncontrollingInterestsExcludingSubsidiaryWarrantsOptionsAndOtherEquity
57 Subsidiary warrants, options and other equity (note 13) Concept (Monetary) As Of Credit nept:SubsidiaryWarrantsOptionsAndOtherEquityNoncontrollingInterests
58 Total equity attributable to non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
59 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
60 Commitments and contingencies (note 23) Concept (Monetary) As Of Credit nept:CommitmentsAndContingentLiabilities
61 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
62 100020 - Statement - Consolidated Statements of Earnings and Comprehensive Income Network

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63 Implied Table Table

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64 Statement Of Earnings And Comprehensive Income Loss [Abstract] Abstract nept:StatementOfEarningsAndComprehensiveIncomeLossAbstract
65 Revenue from sales (note 4) Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoods
66 Royalty revenues Concept (Monetary) For Period Credit ifrs-full:RevenueFromRoyalties
67 Total revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
68 Cost of sales (note 6) Concept (Monetary) For Period Debit nept:CostOfSalesExcludingImpairmentLossOnInventories
69 Other cost of sales - impairment loss on inventories (notes 4 et 6) Concept (Monetary) For Period Debit nept:OtherCostOfSalesImpairmentLossOnInventories
70 Cost of sales (note 6) Concept (Monetary) For Period Debit ifrs-full:CostOfSales
71 Gross margin Concept (Monetary) For Period Credit ifrs-full:GrossProfit
72 Research and development expenses Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
73 Research tax credits and grants (note 18) Concept (Monetary) For Period Credit nept:ResearchTaxCreditsAndGrants
74 Research and development, net Concept (Monetary) For Period Debit nept:ResearchAndDevelopmentNet
75 Selling, general and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
76 Other income - royalty settlement (note 14) Concept (Monetary) For Period Credit nept:OtherIncomeFromRoyaltySettlements
77 Other income - net gain on sale of assets (note 4) Concept (Monetary) For Period Credit nept:OtherIncomeNetGainOnSaleOfAssets
78 Income from operating activities Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
79 Gain on loss of control of subsidiary (note 13) Concept (Monetary) For Period Credit nept:GainOnLossOfControlOfSubsidiary
80 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
81 Finance costs (note 16) Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
82 Change in fair value of derivative assets and liabilities and loss on sale of available-for-sale investment (note 21) Concept (Monetary) For Period Credit nept:GainsLossesOnChangeInFairValueOfDerivativesAndLossOnSaleOfAvailableForSaleInvestment
83 Income (loss) from non-operating activities Concept (Monetary) For Period Credit nept:ProfitLossFromNonoperatingActivities
84 Income before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
85 Income tax recovery (expense) (note 18) Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
86 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
87 Other comprehensive income (loss) (that may be reclassified subsequently to net income) Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract
88 Unrealized gains (losses) on available-for-sale investments (notes 13 and 21 (a)(i)) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsNetOfTax
89 Net change in unrealized gains on derivatives designated as cash flow hedges (note 21 (a)(iii)) Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnCashFlowHedgesNetOfTax
90 Reclassification to net income of accumulated realized gain on available-for-sale investment (note 21 (a)(i)) Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnAvailableforsaleFinancialAssetsNetOfTax
91 Total other comprehensive income (loss) Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTax
92 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
93 Net income attributable to: Abstract ifrs-full:ProfitLossAttributableToAbstract
94 Equity holders of the Corporation Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
95 Non-controlling interest (note 13) Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
96 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
97 Total comprehensive income attributable to: Abstract ifrs-full:ComprehensiveIncomeAttributableToAbstract
98 Equity holders of the Corporation Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
99 Non-controlling interest (note 13) Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
100 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
101 Basic and diluted income per share Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
102 Basic weighted average number of common shares (note 19) Concept (Shares) For Period ifrs-full:WeightedAverageShares
103 Diluted weighted average number of common shares (note 19) Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
104 100040 - Statement - Consolidated Statements of Changes in Equity Network

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105 Statement Of Changes In Equity [Table] Table

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ifrs-full:StatementOfChangesInEquityTable
106 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
107 Equity [member] Member ifrs-full:EquityMember
108 Share Capital Member ifrs-full:IssuedCapitalMember
109 Warrants Member nept:WarrantsMember
110 Contributed Surplus Member ifrs-full:AdditionalPaidinCapitalMember
111 Available-for-Sale Investment Member ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember
112 Cash Flow Hedges Member ifrs-full:ReserveOfCashFlowHedgesMember
113 Deficit Member ifrs-full:RetainedEarningsMember
114 Total Attributable to Equity Holders of the Corporation Member ifrs-full:EquityAttributableToOwnersOfParentMember
115 Subsidiary Warrants, Options and Other Equity Member nept:SubsidiaryWarrantsOptionsAndOtherEquityNonControllingInterestMember
116 Non-controlling Interest Member nept:NoncontrollingInterestsExcludingSubsidiaryWarrantsOptionsAndOtherEquityMember
117 Total Attributable to Non-controlling Interest Member ifrs-full:NoncontrollingInterestsMember
118 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
119 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
120 Acasti Member nept:AcastiPharmaIncMember
121 Statement Of Changes In Equity [Line Items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
122 Beginning balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
123 Beginning balance Concept (Monetary) As Of Credit ifrs-full:Equity
124 Net income (loss) for the period Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
125 Other comprehensive (loss) income for the period Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
126 Total comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
127 Transaction with equity holders recorded directly in equity Abstract nept:TransactionWithEquityHoldersRecordedDirectlyInEquityAbstract
128 Contributions by and distribution to equity holders Abstract nept:ContributionsByAndDistributionToEquityAbstract
129 Share-based payment transactions (note 17) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
130 Liability settled in shares, shares Concept (Shares) For Period nept:LiabilitySettledInSharesShares
131 Liability settled in shares (note 12 (b)) Concept (Monetary) For Period Credit nept:LiabilitySettledInShares
132 DSU released, shares Concept (Shares) For Period nept:IncreaseDecreaseThroughDeferredShareUnitsReleasedShares
133 DSU released (note 12 (c)) Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughDeferredShareUnitsReleased
134 Share options exercised, shares Concept (Shares) For Period nept:IncreaseDecreaseThroughExerciseOfOptionsShares
135 Share options exercised (note 12 (d)) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
136 Loss of control of subsidiary (note 13) Concept (Monetary) For Period Debit nept:LossOfControlOfSubsidiary
137 Total contributions by and distribution to equity holders, shares Concept (Shares) For Period nept:IncreaseDecreaseThroughTransfersAndOtherChangesEquityShares
138 Total contributions by and distribution to equity holders Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity
139 Change in ownership interests in subsidiaries that do not result in a loss of control Abstract nept:ChangeInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControlAbstract
140 Expiry of Acasti options and call-options (note 13 (i)) Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughExpiryOfSubsidiariesOptionsAndCallOptions
141 Acasti public offering (note 13 (vi)) Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughSubsidiariesPublicOffering
142 Acasti issue of unsecured convertible debentures, net of deferred income tax expense of $129,362 (note 13 (vi)) Concept (Monetary) For Period Credit nept:SubsidiariesIssueOfConvertibleInstruments
143 Exercise of warrants, shares Concept (Shares) For Period nept:IncreaseDecreaseThroughExerciseOfWarrantsEquityShares
144 Exercise of warrants (note 13 (ii)) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
145 Fees related to past financing of Acasti (note 13 (iii)) Concept (Monetary) For Period Debit nept:FeesRelatedToPastFinancingOfSubsidiary
146 Convertible debenture interest settled in shares (note 13 (iv)) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughConversionOfConvertibleInstruments
147 Total changes in ownership interest in subsidiaries Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
148 Total transactions with equity holders, shares Concept (Shares) For Period nept:IncreaseDecreaseThroughTransactionsWithOwnersShares
149 Total transactions with equity holders Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughTransactionsWithOwners
150 Ending balance, shares Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
151 Ending balance Concept (Monetary) As Of Credit ifrs-full:Equity
152 100050 - Statement - Consolidated Statements of Changes in Equity (Parenthetical) Network

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153 Statement Of Changes In Equity [Table] Table

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ifrs-full:StatementOfChangesInEquityTable
154 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
155 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
156 Acasti Member nept:AcastiPharmaIncMember
157 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
158 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
159 Unsecured Convertible Debentures Member nept:UnsecuredConvertibleDebenturesMember
160 Statement Of Changes In Equity [Line Items] LineItems ifrs-full:StatementOfChangesInEquityLineItems
161 Acasti issue of unsecured convertible debentures, deferred income tax expense Concept (Monetary) For Period Debit nept:DeferredTaxExpenseIncomeDueToIssuanceOfUnsecuredConvertibleDebenturesBySubsidiary
162 100060 - Statement - Consolidated Statements of Cash Flows Network

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163 Statement Of Cash Flows [Table] Table

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nept:StatementOfCashFlowsTable
164 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
165 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
166 Acasti Member nept:AcastiPharmaIncMember
167 Statement Of Cash Flows [Line Items] LineItems nept:StatementOfCashFlowsLineItems
168 Cash flows (used in) from operating activities: Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
169 Net income for the period Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
170 Adjustments: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
171 Depreciation of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
172 Amortization of intangible assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForAmortisationExpense
173 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
174 Impairment loss on inventories (note 6) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLoss
175 Gain on loss of control of subsidiary (note 13) Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedWhenControlInSubsidiaryIsLost
176 Recognition of deferred revenues Concept (Monetary) For Period Credit nept:AdjustmentsForRecognitionOfDeferredRevenues
177 Amortization of deferred lease inducements Concept (Monetary) For Period Credit nept:AdjustmentsForAmortizationOfDeferredLeaseInducements
178 Net finance expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
179 Realized foreign exchange gain (loss) Concept (Monetary) For Period Debit nept:AdjustmentsForRealisedForeignExchangeLossesGains
180 Net gain on sale of assets, excluding transaction costs and severances (note 4) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
181 Charge on settlement of liability Concept (Monetary) For Period Debit nept:ChargeOnSettlementOfLiability
182 Income taxes expense (recovery) (note 18) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
183 Tax credits recoverable (note 18) Concept (Monetary) For Period Credit nept:AdjustmentsForTaxCreditRecoverable
184 Adjustments to reconcile profit (loss) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForReconcileProfitLoss
185 Changes in operating assets and liabilities (note 20) Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
186 Income taxes paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
187 Cash flows from (used in) operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
188 Cash flows from investing activities: Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
189 Maturity of short-term investments Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
190 Acquisition of short-term investments Concept (Monetary) For Period Credit ifrs-full:PurchaseOfInvestmentProperty
191 Proceeds on sale of assets (note 4) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
192 Proceeds on sale of investment (note 21 (a)(i)) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod
193 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsInvestingActivities
194 Acquisition of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
195 Acquisition of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
196 Cash reduction related to loss of control of Acasti (note 13) Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
197 Cash flows from (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
198 Cash flows used in financing activities: Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
199 Payment of debt issuance transaction costs Concept (Monetary) For Period Credit ifrs-full:PaymentsForDebtIssueCosts
200 Repayment of loans and borrowings (note 20 (c)) Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
201 Increase in long-term debt, net of finance costs Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
202 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
203 Penalty on debt reimbursement (note 20 (c)) Concept (Monetary) For Period Credit nept:PenaltyOnDebtReimbursement
204 Settlement of derivative swap agreements (note 20 (c)) Concept (Monetary) For Period Credit nept:SettlementOfDerivativeSwapAgreements
205 Issuance of shares costs (note 12 (b)) Concept (Monetary) For Period Credit ifrs-full:PaymentsForShareIssueCosts
206 Proceeds from exercise of options (note 12 (d)) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
207 Proceeds from Acasti warrants Concept (Monetary) For Period Debit nept:ProceedsFromIssuingWarrants
208 Net proceeds from Acasti public offering (note 13 (ii)) and private placement Concept (Monetary) For Period Debit nept:NetProceedsFromPublicOfferingAndPrivatePlacement
209 Cash flows from (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
210 Foreign exchange gain (loss) on cash and cash equivalents held in foreign currencies Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
211 Net increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
212 Cash and cash equivalents as at April 1, 2017 and March 1, 2016 Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
213 Cash and cash equivalents as at March 31, 2018 and 2017 Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
214 Cash and cash equivalents is comprised of: Abstract ifrs-full:CashAndCashEquivalentsAbstract
215 Cash Concept (Monetary) As Of Debit ifrs-full:Cash
216 Cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashEquivalents
217 100070 - Disclosure - Reporting Entity Network

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219 Disclosure Of Reporting Entity [Abstract] Abstract nept:DisclosureOfReportingEntityAbstract
220 Reporting entity Concept (Text Block (HTML)) For Period nept:DisclosureOfReportingEntityExplanatory
221 100080 - Disclosure - Basis of Preparation Network

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223 Disclosure Of Basis Of Preparation [Abstract] Abstract nept:DisclosureOfBasisOfPreparationAbstract
224 Basis of preparation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
225 100090 - Disclosure - Significant Accounting Policies Network

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227 Disclosure Of Significant Accounting Policies [Abstract] Abstract nept:DisclosureOfSignificantAccountingPoliciesAbstract
228 Significant accounting policies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
229 100100 - Disclosure - Sale of Assets Network

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230 Implied Table Table

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231 Disclosure Of Sale Of Assets [Abstract] Abstract nept:DisclosureOfSaleOfAssetsAbstract
232 Sale of assets Concept (Text Block (HTML)) For Period nept:DisclosureOfSaleOfAssetsExplanatory
233 100110 - Disclosure - Trade and Other Receivables Network

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234 Implied Table Table

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235 Trade And Other Current Receivables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
236 Trade and other receivables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
237 100120 - Disclosure - Inventories Network

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238 Implied Table Table

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239 Classes Of Inventories [Abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
240 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
241 100130 - Disclosure - Property, Plant and Equipment Network

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244 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
245 100140 - Disclosure - Intangible Assets and Goodwill Network

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248 Intangible assets and goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsAndGoodwillExplanatory
249 100150 - Disclosure - Trade and Other Payables Network

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251 Trade And Other Current Payables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
252 Trade and other payables Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory
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255 Borrowings [Abstract] Abstract ifrs-full:BorrowingsAbstract
256 Loans and borrowings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
257 100170 - Disclosure - Long-term Payable Network

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258 Implied Table Table

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259 Long Term Payable [Abstract] Abstract nept:LongTermPayableAbstract
260 Long-term payable Concept (Text Block (HTML)) For Period nept:DisclosureOfLongTermPayableExplanatory
261 100180 - Disclosure - Capital and other components of equity Network

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262 Implied Table Table

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263 Disclosure Of Share Capital Reserves And Other Equity Interest [Abstract] Abstract nept:DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract
264 Capital and other components of equity Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
265 100190 - Disclosure - Non-controlling Interests ("NCI") Network

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266 Implied Table Table

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267 Disclosure Of Significant Investments In Subsidiaries [Abstract] Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
268 Non-controlling interests ("NCI") Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory
269 100200 - Disclosure - Other Income Network

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270 Implied Table Table

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271 Disclosure Of Other Income [Abstract] Abstract nept:DisclosureOfOtherIncomeAbstract
272 Other income Concept (Text Block (HTML)) For Period nept:DisclosureOfOtherIncomeExplanatory
273 100210 - Disclosure - Personnel Expenses Network

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274 Implied Table Table

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275 Personnel Expenses [Abstract] Abstract nept:PersonnelExpensesAbstract
276 Personnel expenses Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInformationAboutEmployeesExplanatory
277 100220 - Disclosure - Finance Costs Network

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278 Implied Table Table

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279 Disclosure Of Finance Income And Costs [Abstract] Abstract nept:DisclosureOfFinanceIncomeAndCostsAbstract
280 Finance Costs Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
281 100230 - Disclosure - Share-based Payments Network

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282 Implied Table Table

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283 Disclosure Share Based Payment Arrangement [Abstract] Abstract nept:DisclosureShareBasedPaymentArrangementAbstract
284 Share-based payments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
285 100240 - Disclosure - Income Taxes Network

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286 Implied Table Table

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287 Disclosure Of Income Tax [Abstract] Abstract nept:DisclosureOfIncomeTaxAbstract
288 Income Taxes Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
289 100250 - Disclosure - Income per share Network

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290 Implied Table Table

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291 Reconciliation Of Number Of Shares Outstanding [Abstract] Abstract ifrs-full:ReconciliationOfNumberOfSharesOutstandingAbstract
292 Income per share Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEarningsPerShareExplanatory
293 100260 - Disclosure - Supplemental Cash Flow Disclosure Network

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294 Implied Table Table

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295 Disclosure Of Supplementary Cash Flow Information [Abstract] Abstract nept:DisclosureOfSupplementaryCashFlowInformationAbstract
296 Supplemental Cash Flow Disclosure Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashFlowStatementExplanatory
297 100270 - Disclosure - Financial Instruments Network

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298 Implied Table Table

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299 Disclosure Of Financial Instruments [Abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
300 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
301 100280 - Disclosure - Operating Leases Network

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302 Implied Table Table

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303 Operating Leases [Abstract] Abstract nept:OperatingLeasesAbstract
304 Operating leases Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfLeasesExplanatory
305 100290 - Disclosure - Commitments and contingencies Network

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306 Implied Table Table

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307 Disclosure Of Commitments And Contingencies [Abstract] Abstract nept:DisclosureOfCommitmentsAndContingenciesAbstract
308 Commitments and contingencies Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
309 100300 - Disclosure - Capital Management Network

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310 Implied Table Table

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311 Capital Management [Abstract] Abstract nept:CapitalManagementAbstract
312 Capital Management Concept (Text Block (HTML)) For Period nept:DisclosureOfCapitalManagementExplanatory
313 100310 - Disclosure - Operating segments Network

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314 Implied Table Table

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315 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
316 Operating Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
317 100320 - Disclosure - Related Parties Network

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318 Implied Table Table

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319 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
320 Related parties Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
321 100330 - Disclosure - Significant Accounting Policies (Policies) Network

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322 Implied Table Table

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323 Disclosure Of Significant Accounting Policies [Abstract] Abstract nept:DisclosureOfSignificantAccountingPoliciesAbstract
324 Basis of consolidation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfConsolidationExplanatory
325 Financial instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
326 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
327 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
328 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
329 Impairment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfAssetsExplanatory
330 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
331 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
332 Government grants Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants
333 Lease payments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
334 Foreign currency Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
335 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
336 Finance income and finance costs Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinanceIncomeAndCostsExplanatory
337 Income tax Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
338 Earnings per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
339 Segment reporting Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
340 New standard and interpretation adopted during the year Concept (Text Block (HTML)) For Period nept:DescriptionOfAccountingPolicyForRecentlyAdoptedAndNewAccountingPronouncementsExplanatory
341 New standards and interpretations not yet adopted Concept (Text Block (HTML)) For Period nept:DescriptionOfAccountingPolicyForNewStandardsAndInterpretationsNotYetAdoptedExplanatory
342 100340 - Disclosure - Significant Accounting Policies (Tables) Network

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343 Implied Table Table

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344 Disclosure Of Significant Accounting Policies [Abstract] Abstract nept:DisclosureOfSignificantAccountingPoliciesAbstract
345 Schedule of Estimated Useful Lives Concept (Text Block (HTML)) For Period nept:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory
346 100350 - Disclosure - Sale of Assets (Tables) Network

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347 Implied Table Table

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349 Schedule of Reconciliation of Net Gain on Sale of Assets Concept (Text Block (HTML)) For Period nept:DisclosureOfReconciliationOfNetGainOnSaleOfAssetsExplanatory
350 100360 - Disclosure - Trade and Other Receivables (Tables) Network

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351 Implied Table Table

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352 Trade And Other Current Receivables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
353 Summary of Trade and Other Receivables Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesExplanatory
354 100370 - Disclosure - Inventories (Tables) Network

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355 Implied Table Table

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356 Classes Of Inventories [Abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
357 Schedule of Inventories Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutInventoriesExplanatory
358 100380 - Disclosure - Property, Plant and Equipment (Tables) Network

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359 Implied Table Table

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360 Disclosure Of Property Plant And Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
361 Summary of Property Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
362 Summary of Depreciation Expense of Property Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDepreciationAndAmortisationExpenseExplanatory
363 100390 - Disclosure - Intangible Assets and Goodwill (Tables) Network

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364 Implied Table Table

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365 Disclosure Of Intangible Assets And Goodwill [Abstract] Abstract nept:DisclosureOfIntangibleAssetsAndGoodwillAbstract
366 Schedule of Reconciliation of Changes in Intangible Assets and Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillExplanatory
367 100400 - Disclosure - Trade and Other Payables (Tables) Network

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368 Implied Table Table

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369 Trade And Other Current Payables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
370 Summary of Trade and Other Payables Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutTradeAndOtherPayablesExplanatory
371 100410 - Disclosure - Loans and Borrowings (Tables) Network

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372 Implied Table Table

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373 Borrowings [Abstract] Abstract ifrs-full:BorrowingsAbstract
374 Summary of Contractual Terms of Corporation's Loans and Borrowings Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsExplanatory
375 100420 - Disclosure - Capital and Other Components of Equity (Tables) Network

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376 Implied Table Table

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377 Default Root [Abstract] Abstract nept:DefaultRootAbstract
378 Summary of Warrants Concept (Text Block (HTML)) For Period nept:DisclosureOfNumberOfWarrantsOutstandingAndExercisableExplanatory
379 100430 - Disclosure - Non-controlling Interests ("NCI") (Tables) Network

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380 Implied Table Table

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381 Disclosure Of Significant Investments In Subsidiaries [Abstract] Abstract ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract
382 Summary of reconciliation of gain on loss of control in subsidiary Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentEntitiesExplanatory
383 100440 - Disclosure - Personnel Expense (Table) Network

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384 Implied Table Table

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385 Personnel Expenses [Abstract] Abstract nept:PersonnelExpensesAbstract
386 Disclosure of Employee Related Expense Explanatory Concept (Text Block (HTML)) For Period nept:DisclosureOfEmployeeRelatedExpenseExplanatory
387 100450 - Disclosure - Finance Costs (Tables) Network

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388 Implied Table Table

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389 Disclosure Of Finance Income And Costs [Abstract] Abstract nept:DisclosureOfFinanceIncomeAndCostsAbstract
390 Summary of Finance Costs Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceCostExplanatory
391 100460 - Disclosure - Share-based Payments (Tables) Network

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392 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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393 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
394 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
395 Stock Option Plan Member nept:StockOptionPlanMember
396 Performance Options Member nept:PerformanceOptionsMember
397 Deferred Share Units Member nept:DeferredShareUnitsMember
398 Warrants Member nept:WarrantsMember
399 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Line Items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
400 Schedule of Number and Weighted Average Exercise Price Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfShareOptionsExplanatory
401 Schedule of Number and Contractual Life Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory
402 Summary of Assumptions Used to Determine Fair Value of Options Granted Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIndirectMeasurementOfFairValueOfGoodsOrServicesReceivedShareOptionsGrantedDuringPeriodExplanatory
403 Schedule of Number and Weighted Average Exercise Price Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatory
404 100470 - Disclosure - Income Taxes (Tables) Network

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405 Implied Table Table

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406 Disclosure Of Income Tax [Abstract] Abstract nept:DisclosureOfIncomeTaxAbstract
407 Schedule of Current Income Taxes Expense Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutCurrentIncomeTaxesExpenseExplanatory
408 Schedule of Deferred Taxes Expense (Income) Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutDeferredTaxesExpenseIncomeExplanatory
409 Schedule of Reconciliation of Effective Tax Rate Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutReconciliationOfEffectiveTaxRateExplanatory
410 Schedule of Recognized Deferred Tax Assets and Liabilities Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutRecognizedDeferredTaxAssetsAndLiabilitiesExplanatory
411 Schedule of Tax Losses Carried Forward Concept (Text Block (HTML)) For Period nept:DisclosureOfDetailedInformationAboutTaxLossesCarriedForwardExplanatory
412 Schedule of Unused Tax Credits Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
413 100480 - Disclosure - Income per share (Tables) Network

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414 Implied Table Table

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416 Summary of Reconciliation of Number of Shares Outstanding Concept (Text Block (HTML)) For Period nept:DisclosureOfReconciliationOfNumberOfSharesOutstandingExplanatory
417 100490 - Disclosure - Supplemental Cash Flow Disclosure (Tables) Network

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418 Implied Table Table

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419 Disclosure Of Supplementary Cash Flow Information [Abstract] Abstract nept:DisclosureOfSupplementaryCashFlowInformationAbstract
420 Summary of Supplemental Cash Flow Disclosure Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfAdditionalInformationAboutUnderstandingFinancialPositionsAndLiquidityOfEntityExplanatory
421 Summary of Reconciliation of Liabilities to Cash Flows from Financing Activities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesExplanatory
422 100500 - Disclosure - Financial Instruments (Tables) Network

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423 Disclosure Of Financial Instruments [Table] Table

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425 Risks [member] Member ifrs-full:TypesOfRisksMember
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427 Interest rate risk [member] Member ifrs-full:InterestRateRiskMember
428 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
429 Schedule of Reconciliation of Changes in Fair Value Measurement of Financial Liabilities Concept (Text Block (HTML)) For Period nept:DisclosureOfReconciliationOfChangesInFairValueMeasurementOfFinancialLiabilitiesExplanatory
430 Schedule of Derivative Swap Agreements Concept (Text Block (HTML)) For Period nept:DisclosureOfDerivativeSwapAgreementsExplanatory
431 Schedule of Maturity Analysis Associated with Interest Rate Swap Agreement Used to Manage Interest Risk Associated with Long-Term Debt Concept (Text Block (HTML)) For Period nept:DisclosureOfMaturityAnalysisAssociatedWithInterestRateSwapAgreementUsedToManageInterestRiskAssociatedWithLongTermDebtExplanatory
432 Schedule of Aging of Trade Receivable Balances and Allowance for Doubtful Accounts Concept (Text Block (HTML)) For Period nept:DisclosureOfAgingOfTradeReceivableBalancesAndAllowanceForDoubtfulAccountsExplanatory
433 Schedule of Movement of Trade Receivable Allowance for Doubtful Accounts Concept (Text Block (HTML)) For Period nept:DisclosureOfMovementOfTradeReceivableAllowanceForDoubtfulAccountsExplanatory
434 Schedule of Effect of Changes in Foreign Exchange Currency Concept (Text Block (HTML)) For Period nept:DisclosureOfEffectOfChangesInForeignExchangeCurrencyExplanatory
435 Summary of Corporation’s Exposure to Interest Rate Risk Concept (Text Block (HTML)) For Period nept:DisclosureOfCorporationsExposureToInterestRateRiskExplanatory
436 Schedule of Contractual Maturities of Financial Liabilities Concept (Text Block (HTML)) For Period ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities
437 100510 - Disclosure - Capital Management (Tables) Network

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438 Implied Table Table

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440 Summary of Cash Equivalents and Restricted Short-term Investments Concept (Text Block (HTML)) For Period nept:DisclosureOfCashEquivalentsAndRestrictedShortTermInvestmentsExplanatory
441 100520 - Disclosure - Operating segments (Tables) Network

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442 Implied Table Table

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443 Disclosure Of Operating Segments [Abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
444 Summary of Information About Reportable Segments Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
445 Summary of Revenue from Sales Based on Destination Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeographicalAreasExplanatory
446 100530 - Disclosure - Related Parties (Tables) Network

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447 Implied Table Table

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449 Summary of Key Management Personnel Compensation Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
450 100540 - Disclosure - Significant Accounting Policies - Schedule of Estimated Useful Lives (Details) Network

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451 Disclosure Of Significant Accounting Policies [Table] Table

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453 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
454 Building and building components Member ifrs-full:BuildingsMember
455 Laboratory, R&D and plant equipment Member ifrs-full:OtherPropertyPlantAndEquipmentMember
456 Furniture and office equipment Member ifrs-full:OfficeEquipmentMember
457 Computer equipment Member ifrs-full:ComputerEquipmentMember
458 Range [axis] Axis ifrs-full:RangeAxis
459 Ranges [member] Member ifrs-full:RangesMember
460 Bottom of range Member ifrs-full:BottomOfRangeMember
461 Top of range Member ifrs-full:TopOfRangeMember
462 Disclosure Of Significant Accounting Policies [Line Items] LineItems nept:DisclosureOfSignificantAccountingPoliciesLineItems
463 Method Concept (Text/String) For Period ifrs-full:DepreciationMethodPropertyPlantAndEquipment
464 Period/Rate Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
465 100550 - Disclosure - Significant Accounting Policies - Additional Information (Details) Network

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466 Disclosure Of Significant Accounting Policies [Table] Table

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467 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
468 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
469 Acasti Member nept:AcastiPharmaIncMember
470 Disclosure Of Significant Accounting Policies [Line Items] LineItems nept:DisclosureOfSignificantAccountingPoliciesLineItems
471 Fair value of financial asset reclassified from accumulated other comprehensive income to deficit on initial application of IFRS 9 Concept (Monetary) As Of Debit ifrs-full:FairValueOfFinancialAssetsReclassifiedOutOfFairValueThroughProfitOrLossAndIntoFairValueThroughOtherComprehensiveIncomeInitialApplicationOfIFRS9
472 100560 - Disclosure - Sale of Assets - Additional Information (Details) Network

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473 Disclosure Of Sale Of Assets [Table] Table

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475 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
476 Aker BioMarine Antarctic AS Member nept:AkerBioMarineAntarcticASMember
477 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
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481 Acquisition for cash consideration Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
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483 Penalty on debt reimbursement Concept (Monetary) For Period Credit nept:PenaltyOnDebtReimbursement
484 Additional debt reimbursement Concept (Monetary) For Period Credit nept:AdditionalRepaymentsOfDebt
485 Manufacturing and distribution sale Concept (Monetary) For Period Debit nept:ManufacturingAndDistributionSaleAmount
486 Impairment loss on inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories
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490 100570 - Disclosure - Sale of Assets - Schedule of Reconciliation of Net Gain on Sale of Assets (Details) Network

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491 Disclosure Of Sale Of Assets [Table] Table

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495 Disclosure Of Sale Of Assets [Line Items] LineItems nept:DisclosureOfSaleOfAssetsLineItems
496 Acquisition for cash consideration Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
497 Inventory sold Concept (Monetary) For Period Debit nept:InventorySold
498 Net intangible assets sold Concept (Monetary) For Period Debit nept:NetIntangibleAssetsSold
499 Write-off of assets, severance costs, transaction costs and costs for activities relating to exiting the bulk krill oil business Concept (Monetary) For Period Debit nept:WriteOffOfAssetsSeveranceCostsTransactionCostsAndCostsForExitingActivities
500 Net gain on sale of assets as presented in the consolidated statement of earnings Concept (Monetary) For Period Credit nept:NetGainOnSaleOfAssets
501 Impairment loss in inventories - presented in cost of sales Concept (Monetary) For Period Debit nept:AdjustmentsForImpairmentLossReversalOfImpairmentLossRelatedToSaleOfAssetsRecognisedInProfitOrLossInventories
502 Penalty on reimbursement, loss on financing fees and reversal of accretion from non-interest bearing debt reimbursed – presented in finance costs Concept (Monetary) For Period Debit nept:FinanceCostsDueToPenaltyOnReimbursementLossOnFinancingFeesAndReversalOfAccretionFromNonInterestBearingDebtReimbursement
503 Total impact of the transaction on the net income before tax Concept (Monetary) For Period Credit nept:NetIncomeBeforeTax
504 100580 - Disclosure - Sale of Assets - Schedule of Reconciliation of Net Gain on Sale of Assets (Parenthetical) (Details) Network

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505 Implied Table Table

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506 Disclosure Of Sale Of Assets [Abstract] Abstract nept:DisclosureOfSaleOfAssetsAbstract
507 Non-cash write-off assets Concept (Monetary) For Period Debit nept:NonCashWriteOffAssets
508 Employee severance cost Concept (Monetary) For Period Debit nept:EmployeeSeveranceCost
509 Transaction costs Concept (Monetary) For Period Debit nept:TransactionCosts
510 100590 - Disclosure - Trade and Other Receivables - Summary of Trade and Other Receivables (Details) Network

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511 Implied Table Table

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512 Trade And Other Current Receivables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
513 Trade receivables Concept (Monetary) As Of Debit nept:CurrentTradeReceivablesNetOfAllowance
514 Sales taxes receivable Concept (Monetary) As Of Debit nept:SalesTaxesReceivableCurrent
515 Accrued and other receivables Concept (Monetary) As Of Debit nept:AccruedAndOtherReceivablesCurrent
516 Grants receivables Concept (Monetary) As Of Debit nept:GrantsReceivablesCurrent
517 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
518 100600 - Disclosure - Inventories - Schedule of Inventories (Details) Network

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519 Implied Table Table

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520 Classes Of Inventories [Abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
521 Raw materials Concept (Monetary) As Of Debit ifrs-full:RawMaterials
522 Work in progress Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
523 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
524 Supplies and spare parts Concept (Monetary) As Of Debit ifrs-full:OtherInventories
525 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
526 100610 - Disclosure - Inventories - Additional Information (Details) Network

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527 Disclosure Of Inventories [Table] Table

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528 Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [axis] Axis ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationAxis
529 Transactions recognised separately from acquisition of assets and assumption of liabilities in business combination [member] Member ifrs-full:TransactionsRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombinationMember
530 Aker BioMarine (“Aker”) Member nept:AkerBioMarineMember
531 Disclosure Of Inventories [Line Items] LineItems nept:DisclosureOfInventoriesLineItems
532 Cost of sales Concept (Monetary) For Period Debit ifrs-full:CostOfSales
533 Inventory cost Concept (Monetary) For Period Debit ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
534 Other inventory costs Concept (Monetary) For Period Debit nept:OtherInventoryCosts
535 Impairment loss on inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossInventories
536 Inventory sold Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoods
537 100620 - Disclosure - Property, Plant and Equipment - Summary of Property Plant and Equipment (Details) Network

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538 Disclosure Of Property Plant And Equipment [Table] Table

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539 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
540 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
541 Land Member ifrs-full:LandMember
542 Building and Building Components Member nept:BuildingAndBuildingComponentsMember
543 Laboratory, R&D and Plant Equipment Member nept:LaboratoryResearchAndDevelopmentAndPlantEquipmentMember
544 Furniture and Office Equipment Member nept:FurnitureAndOfficeEquipmentMember
545 Computer equipment Member ifrs-full:ComputerEquipmentMember
546 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
547 Carrying amount [member] Member ifrs-full:CarryingAmountMember
548 Gross Carrying Amount Member ifrs-full:GrossCarryingAmountMember
549 Accumulated Depreciation Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
550 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
551 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
552 Acasti Member nept:AcastiPharmaIncMember
553 Disclosure Of Property Plant And Equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
554 Beginning Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
555 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
556 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
557 Loss of control of Acasti Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedWhenControlInSubsidiaryIsLost
558 Depreciation for the period Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
559 Ending Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
560 100630 - Disclosure - Property, Plant and Equipment - Additional Information (Details) Network

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561 Implied Table Table

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562 Disclosure Of Property Plant And Equipment [Abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
563 Property, plant and equipment, not yet in service Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentTemporarilyIdle
564 100640 - Disclosure - Property, Plant and Equipment - Summary of Depreciation Expense of Property Plant and Equipment (Details) Network

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565 Disclosure Of Property Plant And Equipment [Table] Table

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566 Income Statement Location1 Axis nept:IncomeStatementLocation1Axis
567 Income Statement Location1 Member Member nept:IncomeStatementLocation1Member
568 Cost of sales Member nept:CostOfSales1Member
569 Research and development expenses Member nept:ResearchAndDevelopmentExpensesMember
570 Selling, general and administrative expenses Member nept:SellingGeneralAndAdministrativeExpenseMember
571 Disclosure Of Property Plant And Equipment [Line Items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
572 Depreciation expense Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
573 100650 - Disclosure - Intangible Assets and Goodwill - Schedule of Reconciliation of Changes in Intangible Assets and Goodwill - (Details) Network

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574 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Table] Table

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575 Classes of intangible assets and goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis
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577 Non-Compete Agreements Member nept:NonCompeteAgreementMember
578 Customer Relationships Member ifrs-full:CustomerrelatedIntangibleAssetsMember
579 Patents Member ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
580 License Agreement Member ifrs-full:LicencesMember
581 Trademarks Member nept:TrademarkMember
582 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
583 Carrying amount [member] Member ifrs-full:CarryingAmountMember
584 Gross Carrying Amount Member ifrs-full:GrossCarryingAmountMember
585 Accumulated Depreciation Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
586 Disclosure Of Reconciliation Of Changes In Intangible Assets And Goodwill [Line Items] LineItems ifrs-full:DisclosureOfReconciliationOfChangesInIntangibleAssetsAndGoodwillLineItems
587 Beginning Balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
588 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
589 Sale to Aker BioMarine (note 4) Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersIntangibleAssetsAndGoodwill
590 Amortization Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
591 Ending Balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsAndGoodwill
592 100660 - Disclosure - Intangible Assets and Goodwill - Additional Information - (Details) Network

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593 Disclosure Of Intangible Assets [Table] Table

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594 Income Statement Location1 Axis nept:IncomeStatementLocation1Axis
595 Income Statement Location1 Member Member nept:IncomeStatementLocation1Member
596 Selling, general and administrative expenses Member nept:SellingGeneralAndAdministrativeExpenseMember
597 Disclosure Of Intangible Assets [Line Items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
598 Amortization expense Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
599 Discount rate on discounted cash flow Concept (Percent) For Period nept:DiscountRateOnDiscountedCashFlow
600 Terminal growth rate Concept (Percent) For Period nept:TerminalGrowthRate
601 100670 - Disclosure - Trade and Other Payables - Summary of Trade and Other Payables (Details) Network

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602 Implied Table Table

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603 Trade And Other Current Payables [Abstract] Abstract ifrs-full:TradeAndOtherCurrentPayablesAbstract
604 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
605 Accrued liabilities and other payables Concept (Monetary) As Of Credit ifrs-full:AccrualsClassifiedAsCurrent
606 Employee salaries and benefits payable Concept (Monetary) As Of Credit ifrs-full:ShorttermEmployeeBenefitsAccruals
607 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
608 100680 - Disclosure - Loans and Borrowings - Summary of Contractual Terms of Corporation's Loans and Borrowings (Details) Network

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609 Disclosure Of Detailed Information About Borrowings [Table] Table

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610 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
611 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
612 2.5% Secured Loan Member nept:TwoPointFivePercentageSecuredLoanMember
613 Balance of Purchase Price Member nept:BalanceOfPurchasePriceMember
614 Authorized bank line of credit Member nept:AuthorizedBankLineOfCreditMember
615 Finance Lease Liabilities Member nept:FinanceLeaseLiabilitiesMember
616 8% Secured Loan Member nept:EightPercentageSecuredLoanMember
617 12% Secured Loan Member nept:TwelvePercentageSecuredLoanMember
618 Refundable Contribution Member nept:RefundableContributionMember
619 Disclosure Of Detailed Information About Borrowings [Line Items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
620 Loans Concept (Monetary) As Of Credit ifrs-full:LoansReceived
621 Total loans and borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
622 Finance lease liabilities, interest rate from 6.25% to 7.13%, payable in monthly instalments of $2,345, maturing in November 2018 and March 2019. Concept (Monetary) As Of Credit ifrs-full:FinanceLeaseLiabilities
623 Loans and borrowings (note 10) Concept (Monetary) As Of Credit ifrs-full:CurrentPortionOfLongtermBorrowings
624 Loans and borrowings (note 10) Concept (Monetary) As Of Credit ifrs-full:LongtermBorrowings
625 100690 - Disclosure - Loans and Borrowings - Summary of Contractual Terms of Corporation's Loans and Borrowings (Parenthetical) (Details) Network

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626 Disclosure Of Detailed Information About Borrowings [Table] Table

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627 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
628 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
629 2.5% Secured Loan Member nept:TwoPointFivePercentageSecuredLoanMember
630 Balance of Purchase Price Amount Bearing 5% Interest Member nept:BalanceOfPurchasePriceAmountBearingFivePercentageInterestMember
631 Balance of Purchase Price Amount Bearing 7% Interest Member nept:BalanceOfPurchasePriceAmountBearingSevenPercentageInterestMember
632 Authorized bank line of credit Member nept:AuthorizedBankLineOfCreditMember
633 Finance Lease Liabilities Member nept:FinanceLeaseLiabilitiesMember
634 8% Secured Loan Member nept:EightPercentageSecuredLoanMember
635 12% Secured Loan Member nept:TwelvePercentageSecuredLoanMember
636 Range [axis] Axis ifrs-full:RangeAxis
637 Ranges [member] Member ifrs-full:RangesMember
638 Bottom of range Member ifrs-full:BottomOfRangeMember
639 Top of range Member ifrs-full:TopOfRangeMember
640 Maturity [axis] Axis ifrs-full:MaturityAxis
641 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
642 December 2018 Member nept:DecemberTwoThousandEighteenMember
643 March 2016 to Septmber 2018 Member nept:MarchTwoThousandSixteenToSeptemberTwoThousandEighteenMember
644 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
645 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
646 Prime Rate Member nept:PrimeRatesMember
647 Disclosure Of Detailed Information About Borrowings [Line Items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
648 Loans and borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
649 Loans and borrowings, reimbursable monthly principal payments Concept (Monetary) For Period Debit nept:BorrowingsReimbursableMonthlyPrincipalPayments
650 Loan final payment Concept (Monetary) For Period Debit nept:LoanFinalPayment
651 Short-term investments pledged for loan Concept (Monetary) As Of Debit nept:ShortTermInvestmentsPledgedForLoan
652 Loans, transaction costs Concept (Monetary) For Period ifrs-full:BorrowingCostsIncurred
653 Loans and borrowings, interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
654 Borrowings, reimbursable quarterly principal payments Concept (Monetary) For Period Debit nept:BorrowingsReimbursableQuarterlyPrincipalPayments
655 Loans and borrowings, principal amount Concept (Monetary) As Of ifrs-full:NotionalAmount
656 Borrowings expiration date Concept (Date/Time) For Period nept:BorrowingsExpirationDate
657 Borrowings, payable in monthly instalments Concept (Monetary) As Of Credit nept:BorrowingsMonthlyInstalmentsPayable
658 Borrowings maturity Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
659 100700 - Disclosure - Loans and Borrowings - Additional Information (Details) Network

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660 Implied Table Table

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661 Disclosure Of Detailed Information About Borrowings [Abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
662 Interest recognized Concept (Monetary) For Period ifrs-full:InterestCostsIncurred
663 100710 - Disclosure - Long-term-Payable - Additional Information (Detail) Network

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664 Implied Table Table

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665 Noncurrent Payables [Abstract] Abstract ifrs-full:NoncurrentPayablesAbstract
666 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
667 Intangible assets fair value Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetFairValueUsedAsDeemedCost
668 Royalty fee payable Concept (Monetary) As Of Credit nept:RoyaltyFeePayableCurrentAndNoncurrent
669 Description of payment terms Concept (Text/String) For Period nept:DescriptionOfSignificantPaymentTermsWithCounterparty
670 Royalty agreement term Concept (xbrli:durationItemType) For Period nept:CounterpartyAgreementTerm
671 Short term payable Concept (Monetary) As Of nept:CurrentPayablesToTradeSuppliers
672 Long term payable Concept (Monetary) As Of Credit ifrs-full:NoncurrentPayablesToTradeSuppliers
673 100720 - Disclosure - Capital and Other Components of Equity - Additional Information (Details) Network

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674 Disclosure Of Classes Of Share Capital [Table] Table

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675 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
676 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
677 Preference shares [member] Member ifrs-full:PreferenceSharesMember
678 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
679 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
680 Share Option Exercise Member nept:ShareOptionExerciseMember
681 Disclosure Of Classes Of Share Capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
682 Percentage of dividend issued on paid up capital Concept (Percent) For Period nept:PercentageOfDividendIssuedOnPaidUpCapital
683 Number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
684 Number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
685 Liability settled in shares, shares Concept (Shares) For Period nept:LiabilitySettledInSharesShares
686 Share Issue Price Per Share Concept (Share) As Of nept:ShareIssuePricePerShare
687 Share issued on settlement of liability, value Concept (Monetary) For Period Credit nept:SharesIssuedForSettlementOfLiabilityValue
688 Share issue costs Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
689 DSU released, shares Concept (Shares) For Period nept:IncreaseDecreaseThroughDeferredShareUnitsReleasedShares
690 Number of options excercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
691 Proceeds from exercise of options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
692 100730 - Disclosure - Capital and Other Components of Equity - Summary of Warrants (Details) Network

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693 Implied Table Table

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694 Disclosure Of Share Capital Reserves And Other Equity Interest [Abstract] Abstract nept:DisclosureOfShareCapitalReservesAndOtherEquityInterestAbstract
695 Number of warrants outstanding and exercisable Concept (Shares) As Of nept:NumberOfWarrantsOutstandingAndExercisable
696 Warrants amount Concept (Monetary) As Of Credit nept:Warrants
697 100740 - Disclosure - Capital and Other Components of Equity - Summary of Warrants (Parenthetical) (Details) Network

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698 Disclosure Of Classes Of Share Capital [Table] Table

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699 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
700 Equity [member] Member ifrs-full:EquityMember
701 Warrants I Q Financing Member nept:WarrantsIQFinancingMember
702 Disclosure Of Classes Of Share Capital [Line Items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
703 Warrants exercise price Concept (Share) For Period invest:InvestmentWarrantsExercisePrice
704 Warrants expiring date Concept (Date) For Period invest:InvestmentWarrantsExpirationDate
705 100750 - Disclosure - Non-controlling Interests ("NCI") - Additional Information (Details) Network

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706 Disclosure Of Significant Investments In Subsidiaries [Table] Table

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707 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
708 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
709 Acasti Member nept:AcastiPharmaIncMember
710 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
711 Equity [member] Member ifrs-full:EquityMember
712 Non-controlling Interest Member ifrs-full:NoncontrollingInterestsMember
713 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
714 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
715 Public Offering Member nept:PublicOfferingMember
716 Disclosure Of Significant Investments In Subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
717 Percentage of subsidiary owned Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
718 Proportion of ownership interests held by non-controlling interests on a fully diluted basis Concept (Percent) For Period nept:ProportionOfOwnershipInterestsHeldByNonControllingInterestsOnFullyDilutedBasis
719 Proportion of voting right held by non-controlling interests on a fully diluted basis Concept (Percent) For Period nept:ProportionOfVotingRightHeldByNonControllingInterestsOnFullyDilutedBasis
720 Number of shares owned in subsidiary Concept (Shares) As Of ifrs-full:SharesInEntityHeldByEntityOrByItsSubsidiariesOrAssociates
721 Fair value of investment Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
722 Fair value of investment, per share Concept (Share) As Of nept:FinancialAssetsAtFairValuePerShare
723 Gain on loss of control of subsidiary Concept (Monetary) For Period Credit ifrs-full:GainLossOnCessationOfConsolidationOfSubsidiariesDueToChangeOfInvestmentEntityStatus
724 Impact of expiry of Acasti options and call-options Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughExpiryOfSubsidiariesOptionsAndCallOptions
725 Impact on non-controlling interest resulting from exercise of broker warrants Concept (Monetary) For Period Credit nept:IncreaseDecreaseInNonControllingInterestResultingFromExerciseOfBrokerWarrants
726 Impact on non-controlling interest resulting from financing fees related to past financing Concept (Monetary) For Period Credit nept:IncreaseDecreaseInNonControllingInterestResultingFromFinancingFeesRelatedToPastFinancing
727 Impact on non-controlling interest resulting from issue of shares to settle convertible debentures interest Concept (Monetary) For Period Credit nept:IncreaseDecreaseInNonControllingInterestResultingFromIssueOfSharesToSettleConvertibleDebenturesInterest
728 Impact of expiry of Acasti options and call-options Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughExpiryOfOptionsAndCallOptions
729 Number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
730 Share issued price Concept (Share) As Of nept:SharesIssuedPrice
731 Gross proceeds from issuing units Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
732 Transaction costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
733 Principal amount of unsecured debentures and contingent warrant issued Concept (Monetary) For Period Debit nept:PrincipalAmountOfUnsecuredDebenturesAndContingentWarrantIssued
734 Number of contingent warrants to acquire common shares Concept (Shares) For Period nept:NumberOfContingentWarrantsToAcquireCommonShares
735 The change in equity resulting from the public offering Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughPublicOffering
736 Impact of private placement Concept (Monetary) For Period Credit ifrs-full:IssueOfConvertibleInstruments
737 100760 - Disclosure - Non-controlling Interests ("NCI") - Summary of reconciliation of gain on loss of control in subsidiary (Details) Network

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738 Disclosure Of Significant Investments In Subsidiaries [Table] Table

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739 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
740 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
741 Acasti Member nept:AcastiPharmaIncMember
742 Disclosure Of Significant Investments In Subsidiaries [Line Items] LineItems ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems
743 Investment in Acasti at fair value Concept (Monetary) As Of Debit ifrs-full:FairValueOfSubsidiariesThatCeaseToBeConsolidatedAsOfDateOfChangeOfInvestmentEntityStatus
744 Non-controlling interest Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
745 Acasti's assets before deconsolidation Concept (Monetary) As Of Debit nept:AssetsBeforeDeconsolidationOfSubsidiary
746 Acasti's liabilities before deconsolidation Concept (Monetary) As Of Credit nept:LiabilitiesBeforeDeconsolidationOfSubsidiary
747 Gain on loss on control of Acasti Concept (Monetary) For Period Credit ifrs-full:GainLossOnCessationOfConsolidationOfSubsidiariesDueToChangeOfInvestmentEntityStatus
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760 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
761 100780 - Disclosure - Personnel Expenses - Schedule of Personnel Expenses (Detail) Network

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762 Implied Table Table

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772 Interest expense on unsecured convertible debentures Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnDebtInstrumentsIssued
773 Penalty on reimbursment, loss on financing and discounted fees on debt reimbursment (note 4) Concept (Monetary) For Period Debit ifrs-full:InterestIncomeReimbursementRights
774 Foreign exchange loss Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
775 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
776 100800 - Disclosure - Share-based Payments - Additional Information (Details) Network

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810 100810 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Exercise Price of Stock Options (Details) Network

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820 Weighted average exercise price, Expired Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
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822 Weighted average exercise price, Exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
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829 Number of options, Exercisable Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
830 100820 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Exercise Price of Stock Options (Parenthetical) (Details) Network

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831 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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838 100830 - Disclosure - Share-based Payments - Schedule of Number and Contractual Life of Options (Details) Network

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839 Disclosure Of Number And Weighted Average Remaining Contractual Life Of Outstanding Share Options [Table] Table

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859 Weighted average exercise price, Exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
860 100840 - Disclosure - Share-based Payments - Summary of Assumptions Used to Determine Fair Value of Options Granted (Details) Network

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861 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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871 Dividend Concept (Monetary) For Period ifrs-full:ExpectedDividendShareOptionsGranted
872 Risk-free interest Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
873 Estimated life (years) Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
874 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
875 100850 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Exercise Price of Performance Options (Details) Network

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876 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
877 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
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879 Performance Options Member nept:PerformanceOptionsMember
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881 Number of options outstanding, Beginning balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
882 Number of options, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
883 Number of options outstanding, Ending balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
884 Number of options, Exercisable Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
885 Weighted average exercise price, Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
886 Weighted average exercise price, Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
887 Weighted average exercise price, Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
888 Weighted average exercise price, Exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
889 100860 - Disclosure - Share-based Payments - Schedule of Number and Contractual Life of Performance Options (Details) Network

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890 Disclosure Of Number And Weighted Average Remaining Contractual Life Of Outstanding Share Options [Table] Table

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896 Options outstanding, Weighted remaining contractual life outstanding Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
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899 Weighted average exercise price, Exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
900 100870 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Exercise Price of Deferred Share Units (Details) Network

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901 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
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906 Beginning balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
907 Granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
908 Released through the issuance of common shares Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
909 Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
910 Exercisable options Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisableInSharebasedPaymentArrangement
911 Beginning balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
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916 100880 - Disclosure - Share-based Payments - Schedule of Number and Weighted Average Exercise Price of Warrants (Details) Network

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917 Disclosure Of Terms And Conditions Of Sharebased Payment Arrangement [Table] Table

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924 Weighted average price, expired Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExpiredInSharebasedPaymentArrangement
925 Ending balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
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930 100890 - Disclosure - Income Taxes - Schedule of Current Income Taxes Expense (Recovery) (Details) Network

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931 Implied Table Table

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932 Disclosure Of Income Tax [Abstract] Abstract nept:DisclosureOfIncomeTaxAbstract
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934 Adjustment of prior year income taxes expense (recovery) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
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936 100900 - Disclosure - Income Taxes - Schedule of Deferred Taxes Expense (Details) Network

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937 Implied Table Table

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940 Origination and reversal of temporary differences Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
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943 100910 - Disclosure - Income Taxes - Summary of Reconciliation of Effective Tax Rate (Details) Network

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944 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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962 100920 - Disclosure - Income Taxes - Summary of Recognized Deferred Tax Assets and Liabilities (Details) Network

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963 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsTable
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978 100930 - Disclosure - Income Taxes - Additional Information (Details) Network

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979 Disclosure Of Income Tax [Table] Table

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991 Derecognition of prior period tax credits recoverable Concept (Monetary) As Of Debit nept:DerecognitionOfPriorPeriodTaxCreditsRecoverable
992 100940 - Disclosure - Income Taxes - Summary of Tax Losses Carried Forward (Details) Network

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993 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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1008 100950 - Disclosure - Income Taxes - Schedule of Future Federal Income Taxes Payable and Expire (Details) Network

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1009 Disclosure Of Temporary Difference Unused Tax Losses And Unused Tax Credits [Table] Table

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1038 Unused tax credits for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
1039 100960 - Disclosure - Income Per Share - Summary of Reconciliation of Number of Shares Outstanding (Details) Network

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1040 Implied Table Table

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1047 100970 - Disclosure - Supplemental Cash Flow Disclosure - Summary of Supplemental Cash Flow Disclosure - Changes in Operating Assets and Liabilities (Details) Network

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1048 Implied Table Table

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1055 Deferred revenues Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInDeferredIncome
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1057 100980 - Disclosure - Supplemental Cash Flow Disclosure - Summary of Supplemental Cash Flow Disclosure - Non-cash Transactions (Details) Network

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1058 Implied Table Table

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1062 Intangible assets included in trade and other receivables (note 14) Concept (Monetary) For Period Debit nept:NonCashTransactionsIntangibleAssetsIncludedInTradeAndOtherReceivables
1063 Intangible assets included in long-term payable Concept (Monetary) For Period Credit nept:NonCashTransactionsIntangibleAssetsIncludedInLongTermPayable
1064 Liability settlement in shares Concept (Monetary) For Period Credit nept:SharesIssuedForSettlementOfLiabilityValue
1065 Acasti convertible debenture interest paid in shares of subsidiary Concept (Monetary) For Period Debit nept:NonCashTransactionsConvertibleDebentureInterestPaidInSharesOfSubsidiary
1066 Reduction in goodwill on reduction of balance of purchase price Concept (Monetary) For Period Debit nept:NonCashTransactionsReductionInGoodwillOnReductionOfBalanceOfPurchasePrice
1067 Acasti equity settled share-based payment included in equity and unsecured convertible debentures Concept (Monetary) For Period Credit nept:NonCashTransactionsEquitySettledShareBasedPaymentIncludedInEquityAndUnsecuredConvertibleDebentures
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1069 Acasti public offering transactions costs included in trade and other payables Concept (Monetary) For Period Credit nept:NonCashTransactionsPublicOfferingTransactionsCostsIncludedInTradeAndOtherPayables
1070 Acasti reduction in share issue costs from reduction in trade and other payables Concept (Monetary) For Period Credit nept:NonCashTransactionsReductionInShareIssuanceCostsFromReductionInTradeAndOtherPayables
1071 Acasti private placement transactions costs included in trade and other payables Concept (Monetary) For Period Credit nept:NonCashTransactionsPrivatePlacementTransactionsCostsIncludedInTradeAndOtherPayables
1072 100990 - Disclosure - Supplemental Cash Flow Disclosure - Summary of Reconciliation of Liabilities to Cash Flows from Financing Activities (Detail) Network

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1073 Disclosure Of Supplementary Cash Flow Information [Table] Table

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1079 Finance Lease Liabilities Member nept:FinanceLeaseLiabilitiesMember
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1087 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1088 Increase in long-term debt, net of finance costs Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1089 Repayments From Cash (used in) provided by financing activities Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1090 Settlement of Cross Currency Swap From Cash (Used in) Provided by Financing Activities Concept (Monetary) For Period Credit nept:SettlementOfCrossCurrencySwapClassifiedAsFinancingActivities
1091 Non-cash Changes Accretion of Interest Concept (Monetary) For Period Credit nept:IncreaseDecreaseThroughChangeOfAccretionInterestLiabilitiesArisingFromFinancingActivities
1092 Non-cash changes effect of foreign currency exchange rate changes Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities
1093 Non-cash changes financing and discounted fees Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities
1094 Non-cash changes in fair value Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
1095 Ending Balance Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1096 101000 - Disclosure - Supplemental Cash Flow Disclosure - Summary of Reconciliation of Liabilities to Cash Flows from Financing Activities (Parentheical) (Details) Network

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1097 Disclosure Of Supplementary Cash Flow Information [Table] Table

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nept:DisclosureOfSupplementaryCashFlowInformationTable
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1101 Disclosure Of Supplementary Cash Flow Information [Line Items] LineItems nept:DisclosureOfSupplementaryCashFlowInformationLineItems
1102 Penalty on debt reimbursement Concept (Monetary) For Period Credit nept:PenaltyOnDebtReimbursement
1103 101010 - Disclosure - Financial Instruments - Additional Information (Details) Network

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1104 Disclosure Of Financial Instruments [Table] Table

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1123 All Currencies Member currency:AllCurrenciesDomain
1124 U S Dollars Member nept:USDollarsMember
1125 Euro Member nept:EuroMember
1126 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1127 Proceeds on sale of assets (note 4) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalsOfPropertyPlantAndEquipmentIntangibleAssetsOtherThanGoodwillInvestmentPropertyAndOtherNoncurrentAssets
1128 Fair value of investment Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
1129 Fair value of investment, per share Concept (Share) As Of nept:FinancialAssetsAtFairValuePerShare
1130 Losses on change In fair value of investment Concept (Monetary) For Period Debit nept:LossesOnChangeInFairValueOfInvestment
1131 Change in fair value of derivative assets and liabilities Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
1132 Non-cash changes in fair value Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities
1133 Settlement of derivative swap agreements Concept (Monetary) For Period Credit nept:SettlementOfDerivativeSwapAgreements
1134 Assumed foreign exchange rate Concept (Percent) For Period nept:AssumedForeignExchangeRate
1135 Percentage of trade accounts Concept (Percent) For Period nept:PercentageOfTradeAccounts
1136 Percentage of credit insurance on invoicing Concept (Percent) For Period nept:PercentageOfCreditInsuranceOnInvoicing
1137 Allowance for doubtful accounts other receivables Concept (Monetary) As Of Credit nept:AllowanceForDoubtfulOtherReceivables
1138 Percentage of revenues by geographical area Concept (Percent) For Period nept:PercentageOfRevenuesByGeographicalArea
1139 Decrease in net profit Concept (Monetary) For Period Credit nept:IncreaseDecreaseInNetIncomeOnEffectOfChangeInAssumedInterestRate
1140 101020 - Disclosure - Financial Instruments - Schedule of Reconciliation of Changes in Fair Value Measurement of Financial Liabilities (Details) Network

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1141 Disclosure Of Reconciliation Of Changes In Fair Value Measurement Liabilities [Table] Table

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nept:DisclosureOfReconciliationOfChangesInFairValueMeasurementLiabilitiesTable
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1145 Classes of liabilities [axis] Axis ifrs-full:ClassesOfLiabilitiesAxis
1146 Liabilities [member] Member ifrs-full:LiabilitiesMember
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1148 Disclosure Of Reconciliation Of Changes In Fair Value Measurement Liabilities [Line Items] LineItems nept:DisclosureOfReconciliationOfChangesInFairValueMeasurementLiabilitiesLineItems
1149 Opening balance, financial liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1150 Change in fair value (gain) loss Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInFairValueMeasurementLiabilities
1151 Loss of control of subsidiary Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedWhenControlInSubsidiaryIsLost
1152 Closing balance, financial liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1153 101030 - Disclosure - Financial Instruments - Schedule of Derivative Swap Agreements (Details) Network

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1154 Disclosure Of Financial Instruments [Table] Table

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1158 Interest Rate Swap Contract Member ifrs-full:InterestRateSwapContractMember
1159 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1160 Non-current asset Concept (Monetary) As Of Debit ifrs-full:NoncurrentDerivativeFinancialAssets
1161 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentDerivativeFinancialLiabilities
1162 101040 - Disclosure - Financial Instruments - Schedule of Maturity Analysis Associated with Interest Rate Swap Agreement - Long-Term Debt (Details) Network

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1163 Disclosure Of Financial Instruments [Table] Table

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1170 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1171 Loans and borrowings, Fixed rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1172 Loans and borrowings, Notional amount Concept (Monetary) As Of ifrs-full:NotionalAmount
1173 Loans and borrowings, Maturity Concept (Text/String) For Period ifrs-full:BorrowingsMaturity
1174 Loans and borrowings, Long-term debt Concept (Monetary) As Of Credit ifrs-full:Borrowings
1175 101050 - Disclosure - Financial Instruments - Summary of Aging of Trade Receivable Balances (Details) Network

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1176 Disclosure Of Financial Instruments [Table] Table

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1181 Past due 31-120 days Member ifrs-full:LaterThanOneMonthAndNotLaterThanThreeMonthsMember
1182 Past due over 121 days Member ifrs-full:LaterThanFourMonthsMember
1183 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1184 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
1185 Less allowance for doubtful accounts Concept (Monetary) As Of Credit nept:AllowanceForDoubtfulTradeReceivables
1186 Current Trade Receivables Net Of Allowance Concept (Monetary) As Of Debit nept:CurrentTradeReceivablesNetOfAllowance
1187 101060 - Disclosure - Financial Instruments - Schedule of Movement of Trade Receivable Allowance for Doubtful Accounts (Details) Network

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1188 Implied Table Table

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1189 Disclosure Of Financial Instruments [Abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
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1191 Bad debt expenses Concept (Monetary) For Period Debit nept:BadDebtExpenseAllowanceForDoubtfulAccountsTradeReceivables
1192 Foreign exchange (gain) loss Concept (Monetary) For Period Credit nept:ForeignExchangeGainOrLossAllowanceForDoubtfulAccountsTradeReceivables
1193 Write-off against reserve Concept (Monetary) For Period Credit nept:WriteOffsRecoveriesOnReservesAllowanceForDoubtfulAccountsTradeReceivables
1194 Balance, end of year Concept (Monetary) As Of Credit nept:AllowanceForDoubtfulTradeReceivables
1195 101070 - Disclosure - Financial Instruments - Summary of Effect of Changes in Foreign Exchange Currency (Details) Network

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1196 Disclosure Of Financial Instruments [Table] Table

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1210 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
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1216 Average Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
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1218 Increase in net profit Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationRecognisedInProfitOrLoss
1219 101080 - Disclosure - Financial Instruments - Summary of Corporation's Exposure to Interest Rate Risk (Details) Network

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1220 Disclosure Of Financial Instruments [Table] Table

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1232 101090 - Disclosure - Financial Instruments - Summary of Contractual Maturities of Financial Liabilities (Details) Network

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1233 Disclosure Of Financial Instruments [Table] Table

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1249 Disclosure Of Financial Instruments [Line Items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
1250 Carrying amount Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1251 Contractual cash flows Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
1252 101100 - Disclosure - Operating Leases - Additional Information (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureOperatingLeasesAdditionalInformationDetails
1253 Operating Leases [Table] Table

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*

nept:OperatingLeasesTable
1254 Arrangements involving legal form of lease [axis] Axis ifrs-full:ArrangementsInvolvingLegalFormOfLeaseAxis
1255 Arrangements involving legal form of lease [member] Member ifrs-full:ArrangementsInvolvingLegalFormOfLeaseMember
1256 Lease One Member nept:LeaseOneMember
1257 Range [axis] Axis ifrs-full:RangeAxis
1258 Ranges [member] Member ifrs-full:RangesMember
1259 Bottom of range Member ifrs-full:BottomOfRangeMember
1260 Top of range Member ifrs-full:TopOfRangeMember
1261 Income Statement Location1 Axis nept:IncomeStatementLocation1Axis
1262 Income Statement Location1 Member Member nept:IncomeStatementLocation1Member
1263 Selling, general and administrative expenses Member nept:SellingGeneralAndAdministrativeExpenseMember
1264 Cost of sales Member nept:CostOfSales1Member
1265 Research and development expenses Member nept:ResearchAndDevelopmentExpensesMember
1266 Maturity [axis] Axis ifrs-full:MaturityAxis
1267 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1268 Less than 1 year Member ifrs-full:NotLaterThanOneYearMember
1269 2020 Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1270 2021 Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1271 2022 Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1272 2023 Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1273 Operating Leases [Line Items] LineItems nept:OperatingLeasesLineItems
1274 Operating lease expiration terms Concept (Date) For Period nept:OperatingLeaseExpirationTerms
1275 Minimum operating lease payments recognised as expense Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
1276 Operating costs of lease Concept (Monetary) For Period Debit nept:OperatingCostsOfLease
1277 Tax on lease Concept (Monetary) For Period Debit nept:TaxOnLease
1278 Minimum lease payments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1279 101110 - Disclosure - Commitments and Contingencies - Additional Information (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureCommitmentsAndContingenciesAdditionalInformationDetails
1280 Disclosure Of Commitments And Contingencies [Table] Table

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*

nept:DisclosureOfCommitmentsAndContingenciesTable
1281 Range [axis] Axis ifrs-full:RangeAxis
1282 Ranges [member] Member ifrs-full:RangesMember
1283 Bottom of range Member ifrs-full:BottomOfRangeMember
1284 Top of range Member ifrs-full:TopOfRangeMember
1285 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1286 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1287 CEO Member nept:CEOMember
1288 Disclosure Of Commitments And Contingencies [Line Items] LineItems nept:DisclosureOfCommitmentsAndContingenciesLineItems
1289 Term of minimum annual volume of sales to maintain exclusivity of speciality ingredient Concept (xbrli:durationItemType) For Period nept:TermOfMinimumAnnualVolumeOfSalesToMaintainExclusivityOfSpecialityIngredient
1290 Total remaining amount of royalties Concept (Monetary) As Of Credit nept:RemainingRoyaltyCommitments
1291 Capital expenditure obligations Concept (Monetary) As Of Credit ifrs-full:ContractualCapitalCommitments
1292 Capital expenditure Concept (Monetary) For Period Credit nept:CapitalExpenditureCommitments
1293 Capital expenditure included in trade and other payables Concept (Monetary) As Of Credit nept:CapitalExpenditureIncludedInTradeAndOtherPayables
1294 Payment of capital expenditure Concept (Monetary) For Period Debit nept:PaymentOfCapitalExpenditure
1295 Capital commitments Concept (Monetary) As Of Credit ifrs-full:CapitalCommitments
1296 Capital commitment included in trade and other payable Concept (Monetary) As Of Credit nept:CapitalCommitmentIncludedInTradeAndOtherPayable
1297 Payment of capital commitments Concept (Monetary) For Period Credit nept:PaymentOfCapitalCommitments
1298 Research and development projects, remaining amount Concept (Monetary) As Of Debit nept:ResearchAndDevelopmentProjectsRemainingAmount
1299 Claims by former CEO Concept (Monetary) As Of Credit nept:ContingentLiability
1300 Provisions recognized on claims Concept (Monetary) As Of Debit nept:ProvisionsRecognized
1301 Percentage of royalties payable Concept (Percent) For Period nept:PercentageOfRoyaltiesPayable
1302 Amount owed from customer Concept (Monetary) For Period Debit nept:AmountOwedFromCustomer
1303 101120 - Disclosure - Capital Management - Additional Information (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureCapitalManagementAdditionalInformationDetails
1304 Implied Table Table

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*

implied:Table
1305 Capital Management [Abstract] Abstract nept:CapitalManagementAbstract
1306 Cash Concept (Monetary) As Of Debit ifrs-full:Cash
1307 Cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashEquivalents
1308 101130 - Disclosure - Capital Management - Summary of Cash Equivalents and Restricted Short-term Investments (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureCapitalManagementSummaryOfCashEquivalentsAndRestrictedShortTermInvestmentsDetails
1309 Disclosure Of Capital Management [Table] Table

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nept:DisclosureOfCapitalManagementTable
1310 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1311 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1312 Term Deposits One Member nept:TermDepositsOneMember
1313 Term Deposits Two Member nept:TermDepositsTwoMember
1314 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1315 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1316 Cross Currency Swap Member nept:CrossCurrencySwapMember
1317 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
1318 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
1319 Biodroga Nutraceuticals Inc Member nept:BiodrogaNutraceuticalsIncMember
1320 Disclosure Of Capital Management [Line Items] LineItems nept:DisclosureOfCapitalManagementLineItems
1321 Maturity dates of term deposits Concept (Date) For Period nept:TermDepositsMaturityDates
1322 Term deposits interest rate Concept (Percent) For Period nept:TermDepositsInterestRate
1323 Cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashEquivalents
1324 Restricted short-term investments maturity date Concept (Date) For Period nept:RestrictedShortTermInvestmentsMaturityDate
1325 Restricted short-term investments interest rate Concept (Percent) For Period nept:RestrictedShortTermInvestmentsInterestRate
1326 Restricted short-term investments Concept (Monetary) As Of Debit nept:RestrictedShortTermInvestments
1327 101140 - Disclosure - Operating segments - Additional Information (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureOperatingSegmentsAdditionalInformationDetails
1328 Disclosure Of Operating Segments [Table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
1329 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1330 Customers [member] Member ifrs-full:MajorCustomersMember
1331 Major Customer One Member nept:MajorCustomerOneMember
1332 Segments [axis] Axis ifrs-full:SegmentsAxis
1333 Segments [member] Member ifrs-full:SegmentsMember
1334 Nutraceutical Member nept:NutraceuticalMember
1335 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1336 Description of factors used to identify entity's reportable segments Concept (Text/String) For Period ifrs-full:FactorsUsedToIdentifyEntitysReportableSegments
1337 Number of Segments Concept (Integer) For Period nept:NumberOfSegments
1338 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1339 Number of customers representing ten percent or more of sales Concept (Integer) For Period nept:NumberOfCustomersRepresentingTenPercentOrMoreOfSales
1340 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1341 101150 - Disclosure - Operating segments - Summary of Information About Reportable Segments (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureOperatingSegmentsSummaryOfInformationAboutReportableSegmentsDetails
1342 Disclosure Of Operating Segments [Table] Table

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ifrs-full:DisclosureOfOperatingSegmentsTable
1343 Segment consolidation items [axis] Axis ifrs-full:SegmentConsolidationItemsAxis
1344 Entity's total for segment consolidation items [member] Member ifrs-full:EntitysTotalForSegmentConsolidationItemsMember
1345 Intersegment Elimination Member ifrs-full:EliminationOfIntersegmentAmountsMember
1346 Segments [axis] Axis ifrs-full:SegmentsAxis
1347 Segments [member] Member ifrs-full:SegmentsMember
1348 Nutraceutical Member nept:NutraceuticalMember
1349 Cannabis Member nept:CannabisMember
1350 Cardiovascular Member nept:CardiovascularMember
1351 Disclosure Of Operating Segments [Line Items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1352 Revenue from external sales and royalties Concept (Monetary) For Period Credit nept:RevenueFromExternalSalesAndRoyalties
1353 Revenue from transactions to Cardiovascular segment Concept (Monetary) For Period Credit nept:RevenueFromTransactionsToCardiovascularSegment
1354 Gross margin Concept (Monetary) For Period Credit ifrs-full:GrossProfit
1355 Research and development expenses Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1356 Research tax credits and grants Concept (Monetary) For Period Credit nept:ResearchTaxCreditsAndGrants
1357 Selling, general and administrative expenses Concept (Monetary) For Period Debit ifrs-full:SellingGeneralAndAdministrativeExpense
1358 Other income – net gain on sale of assets Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnDisposalsOfNoncurrentAssets
1359 Other income – royalty settlement Concept (Monetary) For Period Credit nept:OtherIncomeFromRoyaltySettlements
1360 Income from operating activities Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
1361 Gain on loss of control of subsidiary Concept (Monetary) For Period Credit ifrs-full:GainsLossesRecognisedWhenControlInSubsidiaryIsLost
1362 Finance income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1363 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1364 Change in fair value of derivative assets and liabilities and loss on sale of available-for-sale investment Concept (Monetary) For Period Credit nept:IncreaseDecreaseInDerivativeAssetAndLiabilitiesAndLossOnSaleOfAvailableForSaleInvestment
1365 Change in fair value of derivative assets and liabilities Concept (Monetary) For Period Credit nept:IncreaseDecreaseInDerivativeAssetAndLiabilities
1366 Income before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1367 Income taxes (expense) recovery Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1368 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1369 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1370 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
1371 Reportable segment assets Concept (Monetary) As Of Debit nept:ReportableSegmentAssets
1372 Reportable segment liabilities Concept (Monetary) As Of Credit nept:ReportableSegmentLiabilities
1373 101160 - Disclosure - Operating segments - Summary of Revenue from Sales Based on Destination (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureOperatingSegmentsSummaryOfRevenueFromSalesBasedOnDestinationDetails
1374 Disclosure Of Geographical Areas [Table] Table

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ifrs-full:DisclosureOfGeographicalAreasTable
1375 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1376 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1377 Canada Member country:CA
1378 United States Member country:US
1379 Belgium Member country:BE
1380 China Member country:CN
1381 France Member country:FR
1382 Uruguay Member country:UY
1383 Other Countries Member nept:OtherCountriesMember
1384 Disclosure Of Geographical Areas [Line Items] LineItems ifrs-full:DisclosureOfGeographicalAreasLineItems
1385 Inventory sold Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoods
1386 101170 - Disclosure - Related Parties - Additional Information (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureRelatedPartiesAdditionalInformationDetails
1387 Disclosure Of Transactions Between Related Parties [Table] Table

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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1388 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1389 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1390 Key Management Personnel Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1391 Disclosure Of Transactions Between Related Parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1392 Proportion of voting rights Concept (Percent) For Period nept:ProportionOfVotingRights
1393 101180 - Disclosure - Related Parties - Summary of Key Management Personnel Compensation (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureRelatedPartiesSummaryOfKeyManagementPersonnelCompensationDetails
1394 Implied Table Table

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implied:Table
1395 Disclosure Of Transactions Between Related Parties [Abstract] Abstract ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract
1396 Short-term benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1397 Share-based compensation costs Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1398 Total compensation of key management personnel Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1399 101190 - Disclosure - Related Parties - Summary of Key Management Personnel Compensation (Parenthtical) (Details) Network

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http://www.neptunebiotech.com/20180331/taxonomy/role/DisclosureRelatedPartiesSummaryOfKeyManagementPersonnelCompensationParenthticalDetails
1400 Disclosure Of Transactions Between Related Parties [Table] Table

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ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable
1401 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1402 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1403 Acasti Member nept:AcastiMember
1404 Disclosure Of Transactions Between Related Parties [Line Items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1405 Short-term benefits Concept (Monetary) For Period Debit nept:KeyManagementPersonnelCompensationShortTermEmployeeBenefits1
1406 Share-based compensation costs Concept (Monetary) For Period Debit nept:KeyManagementPersonnelCompensationShareBasedPayment1

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