Natcore Technology Inc. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

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1 101 - Document - Document and Entity Information Network

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7 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
8 Amendment Description Concept (Text/String) For Period dei:AmendmentDescription
9 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
10 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
11 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
12 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
13 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
14 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
15 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
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17 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
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20 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
21 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
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24 Statement [Line Items] LineItems nxt:StatementLineItems
25 ASSETS Abstract ifrs-full:AssetsAbstract
26 Current assets Abstract ifrs-full:CurrentAssetsAbstract
27 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
28 Receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
29 Prepaid expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
30 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
31 Non-current assets Abstract ifrs-full:NoncurrentAssetsAbstract
32 Equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
33 TOTAL ASSETS Concept (Monetary) As Of Debit ifrs-full:Assets
34 LIABILITIES Abstract ifrs-full:LiabilitiesAbstract
35 Current Liabilities Abstract ifrs-full:CurrentLiabilitiesAbstract
36 Trade payables and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
37 Derivative liability Concept (Monetary) As Of Credit ifrs-full:CurrentDerivativeFinancialLiabilities
38 TOTAL LIABILITIES Concept (Monetary) As Of Credit ifrs-full:Liabilities
39 DEFICIT Abstract ifrs-full:EquityAbstract
40 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
41 Share-based payment reserve Concept (Monetary) As Of Credit ifrs-full:CapitalReserve
42 Accumulated deficit Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
43 TOTAL DEFICIT Concept (Monetary) As Of Credit ifrs-full:Equity
44 TOTAL LIABILITIES AND DEFICIT Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
45 103 - Statement - Consolidated Statements of Comprehensive Loss Network

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48 Expenses Abstract ifrs-full:ExpenseByNatureAbstract
49 Consulting Concept (Monetary) For Period Debit nxt:ConsultingExpense
50 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
51 Filing Fees Concept (Monetary) For Period Debit ifrs-full:MiscellaneousOtherOperatingExpense
52 Foreign exchange loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnExchangeDifferencesOnTranslationBeforeTax
53 Interest and bank charges Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
54 Marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
55 Office and other operational expenses Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
56 Professional fees Concept (Monetary) For Period Debit ifrs-full:ProfessionalFeesExpense
57 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
58 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
59 Travel Concept (Monetary) For Period Debit ifrs-full:TravelExpense
60 Wages and salaries Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
61 Total expenses Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
62 Other income Abstract nxt:OtherIncomeAbstract
63 Fair value adjustment on warrants Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseInFairValueMeasurementLiabilities
64 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
65 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
66 Net and comprehensive loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
67 Loss per share - basic and diluted Concept (Share) For Period ifrs-full:BasicAndDilutedEarningsLossPerShare
68 Weighted average number of shares outstanding - basic and diluted Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
69 104 - Statement - Consolidated Statement of Changes in Equity Network

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73 Share capital [Member] Member ifrs-full:IssuedCapitalMember
74 Share-based payment reserve [Member] Member ifrs-full:ReserveOfSharebasedPaymentsMember
75 Share subscriptions received [Member] Member nxt:ShareSubscriptionsReceivedMember
76 Deficit [Member] Member ifrs-full:RetainedEarningsMember
77 Statement [Line Items] LineItems nxt:StatementLineItems
78 Beginning Balance Concept (Monetary) As Of Credit ifrs-full:Equity
79 Beginning Balance (Shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
80 Comprehensive loss for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
81 Stock-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
82 Shares issued for cash - private placement Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
83 Shares issued for cash - private placement (Shares) Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
84 Shares issued for services Concept (Monetary) For Period Credit nxt:IncreaseDecreaseThroughSharesIssuedForServices
85 Shares issued for services (Shares) Concept (Shares) For Period nxt:IncreaseDecreaseThroughSharesIssuedForServicesShares
86 Shares issued for cash - options exercise Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfOptions
87 Shares issued for cash - options exercise (Shares) Concept (Shares) For Period nxt:IncreaseDecreaseInNumberOfSharesOutstandingThroughExerciseOfOptions
88 Shares issued for cash - warrants exercise Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
89 Shares issued for cash - warrants exercise (Shares) Concept (Shares) For Period nxt:IncreaseDecreaseInNumberOfSharesOutstandingThroughExerciseOfWarrantsEquity
90 Derivative liability - warrants issued Concept (Monetary) For Period Debit nxt:IncreaseDecreaseThroughDerivativeLiabilityWarrantsIssued
91 Issuance costs - finders' warrants Concept (Monetary) For Period Debit nxt:IncreaseDecreaseThroughIssuanceCostsFindersWarrants
92 Issuance costs - cash Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
93 Subscriptions received Concept (Monetary) For Period Credit nxt:IncreaseDecreaseThroughSubscriptionsReceived
94 Ending Balance Concept (Monetary) As Of Credit ifrs-full:Equity
95 Ending Balance (Shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
96 105 - Statement - Consolidated Statements of Cash Flows Network

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97 Statement [Table] Table

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98 Statement [Line Items] LineItems nxt:StatementLineItems
99 Operating Activities Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
100 Net loss Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
101 Adjustments for non-cash items: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
102 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
103 Fair value adjustment on warrants Concept (Monetary) For Period Credit nxt:AdjustmentsForFairValueAdjustmentOnWarrants
104 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
105 Shares issued for services Concept (Monetary) For Period Debit nxt:AdjustmentsForSharesIssuedForServices
106 Changes in non-cash working capital items: Abstract nxt:AdjustmentsForChangesInNonCashWorkingCapitalItemsAbstract
107 Receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
108 Prepaid expenses Concept (Monetary) For Period Debit nxt:AdjustmentsForIncreaseDecreaseInPrepaidExpenses
109 Trade payables and accrued liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
110 Net cash flows used in operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
111 Investing Activities Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
112 Expenditures on equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
113 Net cash flows used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
114 Financing Activities Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
115 Subscriptions received for pending private placement Concept (Monetary) For Period Debit nxt:ProceedsFromSubscriptionsReceivedForPendingPrivatePlacement
116 Proceeds on issuance of common shares - exercise of options Concept (Monetary) For Period Debit ifrs-full:ProceedsFromExerciseOfOptions
117 Proceeds on issuance of common shares - exercise of warrants Concept (Monetary) For Period Debit nxt:ProceedsFromExerciseOfWarrants
118 Proceeds on issuance of common shares - net of issuance costs Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
119 Net cash flows provided by financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
120 Increase (decrease) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
121 Cash and cash equivalents, beginning Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
122 Cash and cash equivalents, ending Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
123 106 - Disclosure - Nature and Continuance of Operations Network

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129 107 - Disclosure - Significant Accounting Policies and Basis of Presentation Network

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135 108 - Disclosure - Accounting Standards Issued but Not Yet Effective Network

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141 109 - Disclosure - Cash and Cash Equivalents Network

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147 110 - Disclosure - Receivables Network

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153 111 - Disclosure - Equipment Network

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159 112 - Disclosure - Trade Payables and Accrued Liabilities Network

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165 113 - Disclosure - Derivative Financial Liability Network

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183 116 - Disclosure - Financial Instrument Fair Values Network

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189 117 - Disclosure - Related Party Transactions and Balances Network

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195 118 - Disclosure - Financial Risk and Capital Management Network

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201 119 - Disclosure - Commitments Network

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207 120 - Disclosure - Income Taxes Network

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213 121 - Disclosure - Research and Development Expense Network

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231 Basis of Preparation [Policy Text Block] Concept (Text Block (HTML)) For Period nxt:DescriptionOfAccountingPolicyForBasisOfPreparationPolicyTextBlock
232 Consolidation [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory
233 Significant Accounting Judgments, Estimates and Assumptions [Policy Text Block] Concept (Text Block (HTML)) For Period nxt:DescriptionOfAccountingPolicyForSignificantAccountingJudgmentsEstimatesAndAssumptionsPolicyTextBlock
234 Foreign Currency Translation [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
235 Intangible Assets [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsAndGoodwillExplanatory
236 Share-Based Payments [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
237 Financial Instruments [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
238 Impairment of Long-Lived Assets [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory
239 Cash and Cash Equivalents [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
240 Income Taxes [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
241 Equipment [Policy Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
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280 Disclosure of detailed information about warrants, valuation assumptions [Table Text Block] Concept (Text Block (HTML)) For Period nxt:DisclosureOfDetailedInformationAboutWarrantsValuationAssumptionsExplanatory
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288 Disclosure of number and weighted average remaining contractual life of outstanding share options [Table Text Block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsExplanatory
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580 Number of share options exercisable in share-based payment arrangement Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
581 Weighted average exercise price of share options exercisable in share-based payment arrangement Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
582 153 - Disclosure - Disclosure of number and weighted average remaining contractual life of outstanding share options (Details) Network

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583 Statement [Table] Table

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584 Options by expiration date [Axis] Axis nxt:OptionsByExpirationDateAxis
585 Options by expiration date [Domain] Member nxt:OptionsByExpirationDateDomain
586 Options expiring January 4, 2018 [Member] Member nxt:OptionsExpiringJanuaryFourTwoZeroOneEightMember
587 Options expiring April 5, 2018 [Member] Member nxt:OptionsExpiringAprilFiveTwoZeroOneEightMember
588 Options expiring June 3, 2018 [Member] Member nxt:OptionsExpiringJuneThreeTwoZeroOneEightMember
589 Options expiring July 31, 2018 [Member] Member nxt:OptionsExpiringJulyThreeOneTwoZeroOneEightMember
590 Options expiring January 10, 2019 [Member] Member nxt:OptionsExpiringJanuaryOneZeroTwoZeroOneNineMember
591 Options expiring December 17, 2019 [Member] Member nxt:OptionsExpiringDecemberOneSevenTwoZeroOneNineMember
592 Options expiring December 20, 2019 [Member] Member nxt:OptionsExpiringDecemberTwoZeroTwoZeroOneNineMember
593 Options expiring April 30, 2020 [Member] Member nxt:OptionsExpiringAprilThreeZeroTwoZeroTwoZeroMember
594 Options expiring June 15, 2020 [Member] Member nxt:OptionsExpiringJuneOneFiveTwoZeroTwoZeroMember
595 Options expiring July 13, 2020 [Member] Member nxt:OptionsExpiringJulyOneThreeTwoZeroTwoZeroMember
596 Options expiring January 13, 2021 [Member] Member nxt:OptionsExpiringJanuaryOneThreeTwoZeroTwoOneMember
597 Options expiring February 15, 2021 [Member] Member nxt:OptionsExpiringFebruaryOneFiveTwoZeroTwoOneMember
598 Options expiring December 9, 2021 [Member] Member nxt:OptionsExpiringDecemberNineTwoZeroTwoOneMember
599 Options expiring December 30, 2021 [Member] Member nxt:OptionsExpiringDecemberThreeZeroTwoZeroTwoOneMember
600 Options expiring June 22, 2022 [Member] Member nxt:OptionsExpiringJuneTwoTwoTwoZeroTwoTwoMember
601 Options expiring September 20, 2022 [Member] Member nxt:OptionsExpiringSeptemberTwoZeroTwoZeroTwoTwoMember
602 Legal Entity [Axis] Axis dei:LegalEntityAxis
603 Entity [Domain] Member dei:EntityDomain
604 Statement [Line Items] LineItems nxt:StatementLineItems
605 Exercise Price Concept (Monetary) As Of ifrs-full:ExercisePriceOfOutstandingShareOptions
606 Number of Options Outstanding Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
607 154 - Disclosure - Disclosure of detailed information about warrants, activity (Details) Network

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608 Statement [Table] Table

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 nxt:StatementTable
609 Legal Entity [Axis] Axis dei:LegalEntityAxis
610 Entity [Domain] Member dei:EntityDomain
611 Statement [Line Items] LineItems nxt:StatementLineItems
612 Number of warrants outstanding in share-based payment arrangement at beginning of period Concept (Decimal) As Of nxt:NumberOfWarrantsExercisableInSharebasedPaymentArrangement
613 Weighted average exercise price of warrants outstanding in share-based payment arrangement at beginning of period Concept (Monetary) As Of Credit nxt:WeightedAverageExercisePriceOfWarrantsExercisableInSharebasedPaymentArrangement
614 Number of warrants granted in share-based payment arrangement Concept (Decimal) For Period nxt:NumberOfWarrantsGrantedInSharebasedPaymentArrangement
615 Weighted average exercise price of warrants granted in share-based payment arrangement Concept (Monetary) For Period Credit nxt:WeightedAverageExercisePriceOfWarrantsGrantedInSharebasedPaymentArrangement
616 Number of warrants exercised in share-based payment arrangement Concept (Decimal) For Period nxt:NumberOfWarrantsExercisedInSharebasedPaymentArrangement
617 Weighted average exercise price of warrants exercised in share-based payment arrangement Concept (Monetary) For Period Credit nxt:WeightedAverageExercisePriceOfWarrantsExercisedInSharebasedPaymentArrangement
618 Number of warrants expired in share-based payment arrangement Concept (Decimal) For Period nxt:NumberOfWarrantsExpiredInSharebasedPaymentArrangement
619 Weighted average exercise price of warrants expired in share-based payment arrangement Concept (Monetary) For Period Credit nxt:WeightedAverageExercisePriceOfWarrantsExpiredInSharebasedPaymentArrangement
620 Number of warrants outstanding in share-based payment arrangement at end of period Concept (Decimal) As Of nxt:NumberOfWarrantsExercisableInSharebasedPaymentArrangement
621 Weighted average exercise price of warrants outstanding in share-based payment arrangement at end of period Concept (Monetary) As Of Credit nxt:WeightedAverageExercisePriceOfWarrantsExercisableInSharebasedPaymentArrangement
622 155 - Disclosure - Disclosure of detailed information about outstanding warrants explanatory (Details) Network

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623 Statement [Table] Table

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624 Warrants by expiration date [Axis] Axis nxt:WarrantsByExpirationDateAxis
625 Warrants by expiration date [Domain] Member nxt:WarrantsByExpirationDateDomain
626 Warrants expiring January 21, 2018 [Member] Member nxt:WarrantsExpiringJanuaryTwoOneTwoZeroOneEightMember
627 Warrants expiring April 14, 2018 [Member] Member nxt:WarrantsExpiringAprilOneFourTwoZeroOneEightMember
628 Warrants expiring April 27, 2018 [Member] Member nxt:WarrantsExpiringAprilTwoSevenTwoZeroOneEightMember
629 Warrants expiring July 23, 2018 [Member] Member nxt:WarrantsExpiringJulyTwoThreeTwoZeroOneEightMember
630 Warrants expiring July 31, 2018 [Member] Member nxt:WarrantsExpiringJulyThreeOneTwoZeroOneEightMember
631 Warrants expiring August 20, 2018 [Member] Member nxt:WarrantsExpiringAugustTwoZeroTwoZeroOneEightMember
632 Warrants expiring November 30, 2018 [Member] Member nxt:WarrantsExpiringNovemberThreeZeroTwoZeroOneEightMember
633 Warrants expiring December 18, 2018 [Member] Member nxt:WarrantsExpiringDecemberOneEightTwoZeroOneEightMember
634 Warrants expiring February 2, 2019 [Member] Member nxt:WarrantsExpiringFebruaryTwoTwoZeroOneNineMember
635 Warrants expiring March 17, 2019 [Member] Member nxt:WarrantsExpiringMarchOneSevenTwoZeroOneNineMember
636 Warrants expiring June 28, 2019 [Member] Member nxt:WarrantsExpiringJuneTwoEightTwoZeroOneNineMember
637 Warrants expiring July 28, 2019 [Member] Member nxt:WarrantsExpiringJulyTwoEightTwoZeroOneNineMember
638 Warrants expiring September 16, 2019 [Member] Member nxt:WarrantsExpiringSeptemberOneSixTwoZeroOneNineMember
639 Warrants expiring November 2, 2019 [Member] Member nxt:WarrantsExpiringNovemberTwoTwoZeroOneNineMember
640 Warrants expiring November 22, 2019 [Member] Member nxt:WarrantsExpiringNovemberTwoTwoTwoZeroOneNineMember
641 Warrants expiring December 5, 2019 [Member] Member nxt:WarrantsExpiringDecemberFiveTwoZeroOneNineMember
642 Warrants expiring December 14, 2019 [Member] Member nxt:WarrantsExpiringDecemberOneFourTwoZeroOneNineMember
643 Warrants expiring January 9, 2020 [Member] Member nxt:WarrantsExpiringJanuaryNineTwoZeroTwoZeroMember
644 Warrants expiring February 3, 2020 [Member] Member nxt:WarrantsExpiringFebruaryThreeTwoZeroTwoZeroMember
645 Warrants expiring March 17, 2020 [Member] Member nxt:WarrantsExpiringMarchOneSevenTwoZeroTwoZeroMember
646 Warrants expiring April 7, 2020 [Member] Member nxt:WarrantsExpiringAprilSevenTwoZeroTwoZeroMember
647 Warrants expiring May 11, 2020 [Member] Member nxt:WarrantsExpiringMayOneOneTwoZeroTwoZeroMember
648 Warrants expiring June 14, 2020 [Member] Member nxt:WarrantsExpiringJuneOneFourTwoZeroTwoZeroMember
649 Warrants expiring July 11, 2020 [Member] Member nxt:WarrantsExpiringJulyOneOneTwoZeroTwoZeroMember
650 Warrants expiring July 26, 2020 [Member] Member nxt:WarrantsExpiringJulyTwoSixTwoZeroTwoZeroMember
651 Warrants expiring August 9, 2020 [Member] Member nxt:WarrantsExpiringAugustNineTwoZeroTwoZeroMember
652 Warrants expiring September 12, 2020 [Member] Member nxt:WarrantsExpiringSeptemberOneTwoTwoZeroTwoZeroMember
653 Warrants expiring October 16, 2020 [Member] Member nxt:WarrantsExpiringOctoberOneSixTwoZeroTwoZeroMember
654 Warrants expiring November 24, 2020 [Member] Member nxt:WarrantsExpiringNovemberTwoFourTwoZeroTwoZeroMember
655 Warrants expiring December 27, 2020 [Member] Member nxt:WarrantsExpiringDecemberTwoSevenTwoZeroTwoZeroMember
656 Legal Entity [Axis] Axis dei:LegalEntityAxis
657 Entity [Domain] Member dei:EntityDomain
658 Statement [Line Items] LineItems nxt:StatementLineItems
659 Exercise Price Concept (Monetary) As Of Credit nxt:WeightedAverageExercisePriceOfWarrantsExercisableInSharebasedPaymentArrangement
660 Number of Warrants Outstanding and Exercisable Concept (Decimal) As Of nxt:NumberOfWarrantsExercisableInSharebasedPaymentArrangement
661 156 - Disclosure - Disclosure of information about key management personnel (Details) Network

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662 Statement [Table] Table

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663 Legal Entity [Axis] Axis dei:LegalEntityAxis
664 Entity [Domain] Member dei:EntityDomain
665 Statement [Line Items] LineItems nxt:StatementLineItems
666 Administrative fees Concept (Monetary) For Period Debit nxt:KeyManagementPersonnelCompensationAdministrativeFees
667 Consulting Concept (Monetary) For Period Debit nxt:KeyManagementPersonnelCompensationConsulting
668 Stock-based compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
669 Wages and benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
670 Key Management Personnel Compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
671 157 - Disclosure - Disclosure of liquidity risk (Details) Network

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672 Statement [Table] Table

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673 Maturity [Axis] Axis ifrs-full:MaturityAxis
674 Aggregated time bands [Domain] Member ifrs-full:AggregatedTimeBandsMember
675 Within One Year [Member] Member ifrs-full:NotLaterThanOneYearMember
676 Between One and Five Years [Member] Member ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember
677 More Than Five Years [Member] Member ifrs-full:LaterThanFiveYearsMember
678 Legal Entity [Axis] Axis dei:LegalEntityAxis
679 Entity [Domain] Member dei:EntityDomain
680 Statement [Line Items] LineItems nxt:StatementLineItems
681 Trade Payables and Accrued Liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
682 158 - Disclosure - Disclosure of effect of changes in foreign exchange rates (Details) Network

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683 Statement [Table] Table

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684 Types of financial assets [Axis] Axis ifrs-full:TypesOfFinancialAssetsAxis
685 Financial assets, type [Domain] Member ifrs-full:FinancialAssetsTypeMember
686 Financial assets and liabilities that are denominated in Canadian dollars [Member] Member nxt:FinancialAssetsAndLiabilitiesThatAreDenominatedInCanadianDollarsMember
687 Legal Entity [Axis] Axis dei:LegalEntityAxis
688 Entity [Domain] Member dei:EntityDomain
689 Statement [Line Items] LineItems nxt:StatementLineItems
690 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
691 Trade payables and accrued liabilities Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
692 Net Concept (Monetary) As Of Debit ifrs-full:NetAssetsLiabilities
693 159 - Disclosure - Disclosure of detailed information about effective income tax expense recovery (Details) Network

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694 Statement [Table] Table

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695 Legal Entity [Axis] Axis dei:LegalEntityAxis
696 Entity [Domain] Member dei:EntityDomain
697 Statement [Line Items] LineItems nxt:StatementLineItems
698 Net loss Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
699 Tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
700 Expected income tax recovery Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
701 Derivative liability Concept (Monetary) For Period Credit nxt:TaxEffectOfDerivativeLiability
702 Non-deductible items and other Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
703 Share issuance costs not recognized Concept (Monetary) For Period Credit nxt:TaxEffectOfShareIssuanceCostsNotRecognized
704 Effect of different foreign tax rates Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
705 Effect of change in US corporate tax rate Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
706 Temporary differences not recognized Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
707 Current tax expense (income) Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
708 160 - Disclosure - Disclosure of temporary difference, unused tax losses and unused tax credits (Details) Network

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709 Statement [Table] Table

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711 Temporary difference, unused tax losses and unused tax credits [Domain] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
712 Non-capital losses - Canada [Member] Member nxt:NoncapitalLossesCanadaMember
713 Tax losses - United States [Member] Member nxt:TaxLossesUnitedStatesMember
714 Equipment tax pools [Member] Member nxt:EquipmentTaxPoolsMember
715 Share issuance costs [Member] Member nxt:ShareIssuanceCostsMember
716 Legal Entity [Axis] Axis dei:LegalEntityAxis
717 Entity [Domain] Member dei:EntityDomain
718 Statement [Line Items] LineItems nxt:StatementLineItems
719 Unused tax losses for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
720 Unused tax credits for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
721 Deductible temporary differences for which no deferred tax asset is recognised Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
722 161 - Disclosure - Disclosure of detailed information about research and development expenses (Details) Network

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723 Statement [Table] Table

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724 Legal Entity [Axis] Axis dei:LegalEntityAxis
725 Entity [Domain] Member dei:EntityDomain
726 Statement [Line Items] LineItems nxt:StatementLineItems
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728 Equipment rental, rent and facility costs Concept (Monetary) For Period Debit ifrs-full:RentalExpense
729 Professional fees Concept (Monetary) For Period Debit nxt:ResearchAndDevelopmentExpenseProfessionalFees
730 Royalty and other Concept (Monetary) For Period Debit ifrs-full:RoyaltyExpense
731 Wages and salaries Concept (Monetary) For Period Debit nxt:ResearchAndDevelopmentWagesAndSalaries
732 Research and Development Expense Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense

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