ABLYNX NV (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document and Entity Information Network

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2 Implied Table Table

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3 Document - Document and Entity Information [Abstract] Abstract ablx:DocumentandEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
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 Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
17 1003 - Statement - Consolidated statement of Financial Position Network

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18 Implied Table Table

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19 Statement of financial position [abstract] Abstract ifrs-full:StatementOfFinancialPositionAbstract
20 ASSETS Abstract ifrs-full:AssetsAbstract
21 Intangible assets Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
22 Property, plant & equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
23 Restricted cash Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
24 Non-current other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentFinancialAssets
25 Non-current research and development incentives receivable Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivablesFromTaxesOtherThanIncomeTax
26 Non-currentassets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
27 Trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
28 Current research and development incentives receivable Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
29 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
30 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentFinancialAssets
31 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
32 Current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
33 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
34 EQUITY AND LIABILITIES Abstract ifrs-full:EquityAndLiabilitiesAbstract
35 Share capital Concept (Monetary) As Of Credit ifrs-full:IssuedCapital
36 Share premium account Concept (Monetary) As Of Credit ifrs-full:SharePremium
37 Reserves Concept (Monetary) As Of Credit ifrs-full:StatutoryReserve
38 Accumulated losses Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
39 Equity attributable to the equity holders Concept (Monetary) As Of Credit ifrs-full:Equity
40 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilities
41 Non-current deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsNoncurrent
42 Non-current liabilities Concept (Monetary) As Of Credit ifrs-full:NoncurrentLiabilities
43 Trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
44 Current deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsCurrent
45 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
46 Total equity and liabilities Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
47 1004 - Statement - Consolidated statement of Operations Network

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 http://www.ablynx.com/taxonomy/role/StatementOfComprehensiveIncomeProfitOrLossByNatureOfExpense-320000
48 Implied Table Table

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49 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
50 Revenue Concept (Monetary) For Period Credit ifrs-full:RevenueFromSaleOfGoods
51 Grant income Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
52 Total revenue and grant income Concept (Monetary) For Period Credit ifrs-full:Revenue
53 Research and development expenses Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
54 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
55 Operating loss Concept (Monetary) For Period Credit ifrs-full:ProfitLossFromOperatingActivities
56 Financial income Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
57 Financial expenses Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
58 Loss before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
59 Income taxes Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
60 Loss for the period Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
61 Loss attributable to equity holders Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
62 Basic loss per share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
63 Diluted loss per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
64 1005 - Statement - Consolidated statement of Changes in Equity Network

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65 Statement [Table] Table

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 us-gaap:StatementTable
66 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
67 Equity [member] Member ifrs-full:EquityMember
68 Share capital [member] Member ifrs-full:IssuedCapitalMember
69 Share Premium Account [member] Member ifrs-full:SharePremiumMember
70 Reserves [member] Member ifrs-full:StatutoryReserveMember
71 Accumulated Losses [member] Member ifrs-full:RetainedEarningsMember
72 Statement [Line Items] LineItems us-gaap:StatementLineItems
73 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
74 Loss for the period Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
75 Issue of shares Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
76 Share issue costs Concept (Monetary) For Period Debit ifrs-full:ShareIssueRelatedCost
77 Share-based compensation Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
78 Exercise of warrants Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
79 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
80 1006 - Statement - Consolidated statement of Cash Flows Network

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81 Implied Table Table

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82 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
83 Loss before taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
84 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
85 Amortization expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForAmortisationExpense
86 Depreciation expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationExpense
87 Share-based compensation expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
88 Net financial income Concept (Monetary) For Period Credit ifrs-full:AdjustmentsForFinanceIncome
89 Net loss/(gain) arising on the convertible bond designated as at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
90 Financial expense recognized in respect of the convertible bond Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
91 Movements in working capital: Abstract ablx:AdjustmentsForIncreaseDecreaseInWorkingCapitalAbstract
92 (Increase)/Decrease in trade and other receivables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
93 (Decrease)/Increase in trade and other payables Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
94 Net cash flows used in operations Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
95 Interests paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
96 Interests received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
97 Net cash flows used in operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
98 Purchase of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
99 Purchase of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
100 Sale of current financial assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
101 Purchase of current financial assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfAvailableforsaleFinancialAssets
102 Net cash flows (used in)/from investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
103 Proceeds from issuance of ordinary shares (net of share issue costs) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
104 Proceeds from exercise of warrants Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingOtherEquityInstruments
105 Proceeds from issuance of convertible bond (net of transaction costs) Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
106 Interests paid on convertible bond Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
107 Repayment of borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
108 Net cash flows from financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
109 Net (decrease)/increase in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges
110 Cash and cash equivalents at the beginning of the period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
111 Exchange gains/(losses) in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
112 Cash and cash equivalents at the end of the period Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
113 1007 - Statement - Consolidated statement of Cash Flows (Parenthetical) Network

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 http://www.ablynx.com/taxonomy/role/StatementOfCashFlowsIndirectMethod-520000Parenthetical
114 Implied Table Table

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115 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
116 Gross proceeds from issuance of stocks Concept (Monetary) For Period Debit ablx:ProceedsFromIssuingSharesGross
117 Payment of stock issuance costs Concept (Monetary) For Period Credit ifrs-full:PaymentsForShareIssueCosts
118 1008 - Disclosure - CORPORATE INFORMATION Network

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119 Implied Table Table

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120 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
121 CORPORATE INFORMATION Concept (Text Block (HTML)) For Period ablx:DisclosureOfCorporateInformationExplanatory
122 1009 - Disclosure - BASIS OF PREPARATION Network

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123 Implied Table Table

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124 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
125 BASIS OF PREPARATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
126 1010 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Network

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127 Implied Table Table

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128 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
129 SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
130 1011 - Disclosure - SIGNIFICANT ACCOUNTING JUDGMENTS, ESTIMATES AND ASSUMPTIONS Network

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131 Implied Table Table

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132 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
133 SIGNIFICANT ACCOUNTING JUDGMENTS, ESTIMATES AND ASSUMPTIONS Concept (Text Block (HTML)) For Period us-gaap:SignificantAccountingPoliciesTextBlock
134 1012 - Disclosure - FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT Overview of financial instruments Network

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135 Implied Table Table

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136 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
137 FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT Overview of financial instruments Concept (Text Block (HTML)) For Period ablx:DisclosureOfFinancialInstrumentsAndFinancialRiskManagementExplanatory
138 1013 - Disclosure - SEGMENT INFORMATION Network

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139 Implied Table Table

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140 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
141 SEGMENT INFORMATION Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOperatingSegmentsExplanatory
142 1014 - Disclosure - INTANGIBLE ASSETS Network

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143 Implied Table Table

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144 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
145 INTANGIBLE ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
146 1015 - Disclosure - PROPERTY, PLANT & EQUIPMENT Network

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147 Implied Table Table

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148 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
149 PROPERTY, PLANT & EQUIPMENT Concept (Text Block (HTML)) For Period us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock
150 1016 - Disclosure - RESTRICTED CASH Network

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151 Implied Table Table

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152 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
153 RESTRICTED CASH Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRestrictedCashAndCashEquivalentsExplanatory
154 1017 - Disclosure - RESEARCH AND DEVELOPMENT INCENTIVES RECEIVABLES Network

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155 Implied Table Table

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156 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
157 RESEARCH AND DEVELOPMENT INCENTIVES RECEIVABLES Concept (Text Block (HTML)) For Period ablx:DisclosureOfResearchAndDevelopmentIncentivesReceivableExplanatory
158 1018 - Disclosure - TRADE AND OTHER RECEIVABLES AND OTHER CURRENT ASSETS Network

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159 Implied Table Table

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160 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
161 TRADE AND OTHER RECEIVABLES AND OTHER CURRENT ASSETS Concept (Text Block (HTML)) For Period us-gaap:LoansNotesTradeAndOtherReceivablesDisclosureTextBlock
162 1019 - Disclosure - CURRENT FINANCIAL ASSETS Network

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163 Implied Table Table

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164 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
165 CURRENT FINANCIAL ASSETS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDepositsFromBanksExplanatory
166 1020 - Disclosure - CASH AND CASH EQUIVALENTS Network

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167 Implied Table Table

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168 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
169 CASH AND CASH EQUIVALENTS Concept (Text Block (HTML)) For Period us-gaap:CashAndCashEquivalentsDisclosureTextBlock
170 1021 - Disclosure - SHARE CAPITAL Network

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171 Implied Table Table

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172 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
173 SHARE CAPITAL Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIssuedCapitalExplanatory
174 1022 - Disclosure - SHARE-BASED COMPENSATIONS Network

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175 Implied Table Table

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176 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
177 SHARE-BASED COMPENSATIONS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
178 1023 - Disclosure - Financial Liabilities Network

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179 Implied Table Table

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180 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
181 Financial Liabilities Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
182 1024 - Disclosure - TRADE AND OTHER PAYABLES Network

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183 Implied Table Table

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184 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
185 TRADE AND OTHER PAYABLES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
186 1025 - Disclosure - DEFERRED INCOME Network

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187 Implied Table Table

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188 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
189 DEFERRED INCOME Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredIncomeExplanatory
190 1026 - Disclosure - DEFERRED TAXES Network

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191 Implied Table Table

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192 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
193 DEFERRED TAXES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
194 1027 - Disclosure - Revenue Network

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195 Implied Table Table

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196 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
197 Revenue Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRevenueExplanatory
198 1028 - Disclosure - Grant Income Network

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199 Implied Table Table

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200 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
201 Grant Income Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGovernmentGrantsExplanatory
202 1029 - Disclosure - RESEARCH AND DEVELOPMENT EXPENSES Network

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203 Implied Table Table

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204 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
205 RESEARCH AND DEVELOPMENT EXPENSES Concept (Text Block (HTML)) For Period us-gaap:ResearchDevelopmentAndComputerSoftwareDisclosureTextBlock
206 1030 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES Network

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207 Implied Table Table

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208 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
209 GENERAL AND ADMINISTRATIVE EXPENSES Concept (Text Block (HTML)) For Period ablx:DisclosureOfDetailsOfGeneralAndAdministrativeExpenseExplanatory
210 1031 - Disclosure - EMPLOYEE BENEFITS EXPENSES Network

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211 Implied Table Table

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212 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
213 EMPLOYEE BENEFITS EXPENSES Concept (Text Block (HTML)) For Period us-gaap:CompensationAndEmployeeBenefitPlansTextBlock
214 1032 - Disclosure - OPERATING LEASES Network

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215 Implied Table Table

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216 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
217 OPERATING LEASES Concept (Text Block (HTML)) For Period us-gaap:LesseeOperatingLeasesTextBlock
218 1033 - Disclosure - FINANCIAL INCOME AND EXPENSES Network

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219 Implied Table Table

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220 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
221 FINANCIAL INCOME AND EXPENSES Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinanceIncomeExpenseExplanatory
222 1034 - Disclosure - INCOME TAX EXPENSES Network

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223 Implied Table Table

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224 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
225 INCOME TAX EXPENSES Concept (Text Block (HTML)) For Period us-gaap:IncomeTaxDisclosureTextBlock
226 1035 - Disclosure - LOSS PER SHARE Network

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227 Implied Table Table

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228 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
229 LOSS PER SHARE Concept (Text Block (HTML)) For Period us-gaap:EarningsPerShareTextBlock
230 1036 - Disclosure - CONTINGENCIES AND ARBITRATIONS Network

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232 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
233 CONTINGENCIES AND ARBITRATIONS Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
234 1037 - Disclosure - Commitments Lease agreements Network

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236 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
237 Commitments Lease agreements Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsExplanatory
238 1038 - Disclosure - Related Party Transactions Network

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240 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
241 Related Party Transactions Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfRelatedPartyExplanatory
242 1039 - Disclosure - Events After The Reporting Date Network

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244 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
245 Events After The Reporting Date Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory
246 1040 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies) Network

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247 Implied Table Table

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248 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
249 Foreign currency translation Concept (Text Block (HTML)) For Period ablx:DisclosureOfExchangeRatesExplanatory
250 Revenue recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
251 Intangible assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
252 Property, plant and equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
253 Impairment of non-financial assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfFinancialAssetsExplanatory
254 Leases Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory
255 Financial assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialAssetsExplanatory
256 Cash and cash equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyToDetermineComponentsOfCashAndCashEquivalents
257 Equity instruments Concept (Text Block (HTML)) For Period us-gaap:StockholdersEquityPolicyTextBlock
258 Financial liabilities Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialLiabilitiesExplanatory
259 Trade payables Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTradeAndOtherPayablesExplanatory
260 Provisions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory
261 Employee benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
262 Income taxes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
263 Share-based compensation transactions Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSharebasedPaymentTransactionsExplanatory
264 Earnings/(loss)per share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
265 Operating segments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
266 Share capital Concept (Text Block (HTML)) For Period us-gaap:ConsolidationPolicyTextBlock
267 1041 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) Network

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268 Implied Table Table

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269 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
270 Summary of Foreign Exchange Issuers Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory
271 Summary of Useful Lives of PPE Concept (Text Block (HTML)) For Period ablx:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLifeExplanatory
272 1042 - Disclosure - FINANCIAL INSTRUMENTS AND FINANCIAL RISK MANAGEMENT Overview of financial instruments (Tables) Network

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273 Implied Table Table

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274 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
275 Summary of Financial Instrument and Financial Risk Mangement Concept (Text Block (HTML)) For Period ablx:ScheduleOfFairValueOfFinancialInstrumentsAssetsAndLiabilitiesExplanatory
276 Summary of Fair Value of Components Financial Instruments Concept (Text Block (HTML)) For Period ablx:DisclosureOfFairValueOfFinancialInstrumentsAssetsAndLiabilitiesExplanatory
277 Schedule of Reconciliation of Level 3 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesExplanatory
278 Schedule of Reconciliation of Level 3 Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory
279 Summary of Sensitivity of Fair Value of Significant Non-observable Inputs Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfSensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrServicingLiabilitiesTextBlock
280 Schedule of Credit Quality of Financial Assets Concept (Text Block (HTML)) For Period us-gaap:FinancingReceivableCreditQualityIndicatorsTableTextBlock
281 Summary of Net Foreign Currency Position Concept (Text Block (HTML)) For Period ablx:DisclosureOfForeignCurrencyPositionExplanatory
282 1043 - Disclosure - INTANGIBLE ASSETS (Tables) Network

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283 Implied Table Table

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284 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
285 INTANGIBLE ASSETS Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfFiniteLivedIntangibleAssetsTableTextBlock
286 1044 - Disclosure - PROPERTY, PLANT & EQUIPMENT (Tables) Network

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287 Implied Table Table

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288 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
289 PROPERTY, PLANT & EQUIPMENT Concept (Text Block (HTML)) For Period us-gaap:PropertyPlantAndEquipmentTextBlock
290 1045 - Disclosure - RESTRICTED CASH (Tables) Network

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291 Implied Table Table

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292 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
293 Restricted Cash Related to Cash Pledge Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfRestrictedCashAndCashEquivalentsTextBlock
294 1046 - Disclosure - TRADE AND OTHER RECEIVABLES AND OTHER CURRENT ASSETS (Tables) Network

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295 Implied Table Table

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296 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
297 TRADE AND OTHER RECEIVABLES AND OTHER CURRENT ASSETS Concept (Text Block (HTML)) For Period ablx:DisclosureInDetailOfTradeAndOtherReceivablesExplanatory
298 Trade and Other Receivables Related to Limited Number of Partners and Considered Fully Recoverable Concept (Text Block (HTML)) For Period ablx:DisclosureOfDetailsOfOtherAssetsAndReceivablesExplanatory
299 1047 - Disclosure - CASH AND CASH EQUIVALENTS (Tables) Network

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300 Implied Table Table

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301 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
302 CASH AND CASH EQUIVALENTS Concept (Text Block (HTML)) For Period ablx:DisclosureOfCashAndCashEquivalentsAndInterestBearingSecuritiesExplanatory
303 1048 - Disclosure - SHARE CAPITAL (Tables) Network

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304 Implied Table Table

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305 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
306 Schedule of Capital Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory
307 1049 - Disclosure - SHARE-BASED COMPENSATIONS (Tables) Network

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308 Implied Table Table

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309 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
310 Schedule of Overview of Share-Based Compensation Arrangements Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
311 Reconciliation of share options outstanding Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfShareBasedCompensationActivityTableTextBlock
312 Summary of Valuation of Fair Value of Warrants Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
313 1050 - Disclosure - Financial Liabilities (Tables) Network

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314 Implied Table Table

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315 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
316 Schedule of Components of Financial Liabilites Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory
317 Schedule of Company's Remaining Contractual Maturity of Finanacial Liabilities Concept (Text Block (HTML)) For Period ablx:DisclosureOfFinancialLiabilitiesMaturityExplanatory
318 Summary of Financial Liabilities at Fair Value Concept (Text Block (HTML)) For Period ablx:DisclosureOfFinancialLiabilitiesDesignatedAtFairValueExplanatory
319 1051 - Disclosure - TRADE AND OTHER PAYABLES (Tables) Network

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320 Implied Table Table

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321 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
322 Schedule of Trade and Other Payable Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfAccountsPayableAndAccruedLiabilitiesTableTextBlock
323 1052 - Disclosure - DEFERRED INCOME (Tables) Network

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324 Implied Table Table

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325 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
326 Schedule of Deferred Income Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsTableTextBlock
327 1053 - Disclosure - Revenue (Tables) Network

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328 Implied Table Table

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329 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
330 Summery of Components of Revenue Concept (Text Block (HTML)) For Period ablx:DisclosureOfDetailedInformationAboutRevenueExplanatory
331 1054 - Disclosure - Grant Income (Tables) Network

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332 Implied Table Table

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333 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
334 Schedule of Detailed Information of Government Grants Concept (Text Block (HTML)) For Period ablx:DisclosureOfDetailedInformationOfGovernmentGrantsExplanatory
335 1055 - Disclosure - RESEARCH AND DEVELOPMENT EXPENSES (Tables) Network

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336 Implied Table Table

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337 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
338 RESEARCH AND DEVELOPMENT EXPENSES Concept (Text Block (HTML)) For Period us-gaap:ResearchAndDevelopmentArrangementContractToPerformForOthersTextBlock
339 1056 - Disclosure - GENERAL AND ADMINISTRATIVE EXPENSES (Tables) Network

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340 Implied Table Table

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341 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
342 GENERAL AND ADMINISTRATIVE EXPENSES Concept (Text Block (HTML)) For Period ablx:GeneralAndAdministrativeExpensesTableTextBlock
343 1057 - Disclosure - EMPLOYEE BENEFITS EXPENSES (Tables) Network

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344 Implied Table Table

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345 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
346 EMPLOYEE BENEFITS EXPENSES Concept (Text Block (HTML)) For Period ablx:DisclosureOfEmployeeBenefitsCostTableTextBlock
347 1058 - Disclosure - OPERATING LEASES (Tables) Network

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348 Implied Table Table

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349 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
350 Summary of Non-cancellable Operating Lease Commitments Concept (Text Block (HTML)) For Period ablx:DisclosureOfMinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
351 1059 - Disclosure - FINANCIAL INCOME AND EXPENSES (Tables) Network

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352 Implied Table Table

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353 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
354 Schedule of Financial Income and Expenses Concept (Text Block (HTML)) For Period ablx:DisclosureOfFinancialIncomeAndExpenseByCategoryTextBlock
355 1060 - Disclosure - INCOME TAX EXPENSES (Tables) Network

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356 Implied Table Table

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357 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
358 INCOME TAX EXPENSES Concept (Text Block (HTML)) For Period us-gaap:ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
359 1061 - Disclosure - LOSS PER SHARE (Tables) Network

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360 Implied Table Table

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361 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
362 Disclosure of Computation of Basic and Diluted Earnings per Share Concept (Text Block (HTML)) For Period ablx:DisclosureOfComputationOfBasicAndDilutedEarningsPerShareExplanatory
363 1062 - Disclosure - Related Party Transactions (Tables) Network

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364 Implied Table Table

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365 Text block1 [abstract] Abstract ablx:TextBlock1Abstract
366 Schedule of Key Management Personnel Compensation Concept (Text Block (HTML)) For Period ablx:DisclosureOfKeyManagementPersonnelCompensationExplanatory
367 1063 - Disclosure - Corporate Information- Additional Information (Detail) Network

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368 Implied Table Table

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369 Disclosure of corporate information [abstract] Abstract ablx:DisclosureOfCorporateInformationAbstract
370 Number of fully owned subsidiary Concept (Integer) For Period ablx:NumberOfSubsidiaries
371 1064 - Disclosure - Basis of Preparation - Additional Information (Detail) Network

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372 Implied Table Table

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373 Basis Of Presentation [Abstract] Abstract ablx:BasisOfPresentationAbstract
374 Non-Cancellable Operating lease commitments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
375 1065 - Disclosure - Summary of Significant Accounting Policies - Foreign Exchange Rate (Detail) Network

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376 Disclosure Of Foreign Exchange Rates [Table] Table

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377 Currency [Axis] Axis us-gaap:CurrencyAxis
378 All Currencies [Domain] Member currency:AllCurrenciesDomain
379 US Dollar [member] Member currency:USD
380 GB Pound [member] Member currency:GBP
381 Disclosure of foreign exchange rates [Line Items] LineItems ablx:DisclosureOfForeignExchangeRatesLineItems
382 Closing foreign exchange rate Concept (Decimal) As Of ifrs-full:ClosingForeignExchangeRate
383 Average foreign exchange rate Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
384 1066 - Disclosure - Summary of Significant Accounting Policies - Additional Information (Detail) Network

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385 Disclosure of summary of significant accounting policies [table] Table

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386 Range [axis] Axis ifrs-full:RangeAxis
387 Ranges [member] Member ifrs-full:RangesMember
388 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
389 Top of range [member] Member ifrs-full:TopOfRangeMember
390 Disclosure Of Summary Of Significant Accounting Policies [Line Items] LineItems ablx:DisclosureOfSummaryOfSignificantAccountingPoliciesLineItems
391 Estimated useful lives Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
392 Employee benefits, minimum return guaranteed by employer Concept (Percent) For Period ablx:MinimumGuaranteedRatesOfReturnOnEmployerContribution
393 Percentage of contribution by employee Concept (Percent) For Period ablx:DefinedBenefitPlansEmployeeMinimumGuaranteedReturnPercentage
394 Number of operating segment Concept (Integer) For Period ablx:NumberOfOperatingSegments1
395 1067 - Disclosure - Summary of Significant Accounting Policies - Useful Life of Asset (Detail) Network

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396 Disclosure of detailed information about property, plant and equipment [table] Table

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397 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
398 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
399 Buildings [member] Member ifrs-full:BuildingsMember
400 Equipment [Member] Member ablx:Equipment1Member
401 Hardware [member] Member ifrs-full:ComputerEquipmentMember
402 Furniture [member] Member ablx:FurnitureMember
403 Property, plant and equipment under operating leases [member] Member ifrs-full:PropertyPlantAndEquipmentUnderOperatingLeasesMember
404 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
405 Estimated Useful Life Of Property Plant And Equipment Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
406 1068 - Disclosure - Significant Account Judgments - Additional Information (Detail) Network

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407 Implied Table Table

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408 Derivative financial liabilities [Abstract] Abstract ablx:DerivativeFinancialLiabilitiesAbstract
409 Embedded derivative amounts Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
410 1069 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Financial Instrument and Financial Risk Management (Detail) Network

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411 Implied Table Table

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412 Disclosure of detailed information about financial instruments [abstract] Abstract ifrs-full:DisclosureOfFinancialInstrumentsAbstract
413 Financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
414 Restricted cash Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
415 Trade receivables Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
416 Current financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
417 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
418 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
419 At fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss
420 Convertible bond - Embedded derivative Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
421 At amortized cost Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
422 Convertible bond - Host debt Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
423 Total Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
424 Total financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
425 1070 - Disclosure - Financial Instruments and Financial Risk Management - Components of Convertible Bond and Related Fair Value (Detail) Network

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426 Disclosure of detailed information about financial instruments [table] Table

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427 Measurement [axis] Axis ifrs-full:MeasurementAxis
428 Aggregated measurement [member] Member ifrs-full:AggregatedMeasurementMember
429 At fair value [member] Member ifrs-full:AtFairValueMember
430 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
431 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
432 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
433 Level 2 of fair value hierarchy [member] Member ifrs-full:Level2OfFairValueHierarchyMember
434 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
435 Other financial assets Concept (Monetary) As Of Debit ifrs-full:OtherFinancialAssets
436 Convertible bond Host debt Concept (Monetary) As Of Credit ifrs-full:DebtSecurities
437 Embedded derivative Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
438 1071 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Reconciliation of Level 3 Instruments (Detail) Network

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439 Disclosure of detailed information about financial instruments [table] Table

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440 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
441 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
442 Level 3 of fair value hierarchy [member] Member ifrs-full:Level3OfFairValueHierarchyMember
443 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
444 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
445 Other financial assets [member] Member ablx:OtherFinancialAssetMember
446 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
447 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
448 Convertible bonds [member] Member ablx:ConvertibleBondsMember
449 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
450 At issuance of other financial assets Concept (Monetary) As Of Debit ifrs-full:Assets
451 Included in profit or loss Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets
452 At Closing of other financial assets, Balance December 31, 2017 Concept (Monetary) As Of Debit ifrs-full:Assets
453 At issuance of the convertible bond Concept (Monetary) As Of Credit ifrs-full:Liabilities
454 Included in profit or loss as a change in fair value Concept (Monetary) For Period ifrs-full:GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities
455 Closing Balance Concept (Monetary) As Of Credit ifrs-full:Liabilities
456 1072 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Sensitivity of Fair Value to Significant Non-Observable Inputs (Detail) Network

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457 Disclosure of detailed information about financial instruments [table] Table

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458 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
459 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
460 Share price volatility analysis [Member] Member ablx:SharePriceVolatilityAnalysisMember
461 Credit spread analysis [Member] Member ablx:CreditSpreadAnalysisMember
462 Assets and liabilities [axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
463 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
464 Embedded Derivatives Convertible Bond [member] Member ifrs-full:LiabilitiesMember
465 Other Financial assets, [member] Member ifrs-full:FinancialAssetsMember
466 Range [axis] Axis ifrs-full:RangeAxis
467 Ranges [member] Member ifrs-full:RangesMember
468 Weighted average [member] Member ifrs-full:WeightedAverageMember
469 Top of range [member] Member ifrs-full:TopOfRangeMember
470 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
471 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
472 Price estimation measurement Concept (Text/String) For Period ablx:PriceEstimationMeasurementOfFinancialAssetUnderSensitivityAnalysis
473 Fair value of other financial asset Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValue
474 Price estimation Concept (Text/String) For Period ablx:PriceEstimationMeasurementOfEmbeddedDerivativeUnderSensitivityAnalysis
475 Fair value of embedded derivative convertible bond Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
476 Share price Concept (Share) For Period ablx:EmbeddedDerivativeBondConversionPricePerShare
477 1073 - Disclosure - Financial Instruments and Financial Risk Management - Additional Information (Detail) Network

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478 Disclosure of detailed information about financial instruments [table] Table

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479 Range [axis] Axis ifrs-full:RangeAxis
480 Ranges [member] Member ifrs-full:RangesMember
481 Top of range [member] Member ifrs-full:TopOfRangeMember
482 Borrowings by name [axis] Axis ifrs-full:BorrowingsByNameAxis
483 Borrowings by name [member] Member ifrs-full:BorrowingsByNameMember
484 Privately Placed Bonds [Member] Member ablx:PrivatelyPlacedBondsMember
485 Type Of Exchange Gain Loss [Axis] Axis ablx:TypeOfExchangeGainLossAxis
486 Type Of Exchange Gain Loss [Domain] Member ablx:TypeOfExchangeGainLossDomain
487 Ten percentage Strengthening in foreign exchange rate [Member] Member ablx:TenPercentageStrengtheningInForeignExchangeRateMember
488 Ten percentage weakening in foreign exchange rate [Member] Member ablx:TenPercentageWeakeningInForeignExchangeRateMember
489 Scenario [Axis] Axis us-gaap:StatementScenarioAxis
490 Scenario, Unspecified [Domain] Member us-gaap:ScenarioUnspecifiedDomain
491 Original Conversion Price [Member] Member ablx:InitiallyRecognizedMember
492 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
493 Deposits Maturity Concept (xbrli:durationItemType) For Period ablx:ShorttermDepositsMaturity
494 Credit Linked Maturity Concept (xbrli:durationItemType) For Period ablx:PromissoryNotesMaturityPeriod
495 Restricted cash Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
496 Unsecured bonds Concept (Monetary) As Of Credit ablx:UnsecuredBonds
497 Coupon rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
498 Conversion price Concept (Share) For Period ablx:UnsecuredOverseasConvertibleBondsConversionPrice
499 If the EUR had strengthened 10% against the GBP and against the USD with all other variables held constant Concept (Monetary) As Of Credit ablx:GainLossThatWouldHaveBeenRecognisedIfTenPercentIncreaseInReportingCurrencyToForeignCurrencyExchangeRate
500 1074 - Disclosure - Financial Instruments and Financial Risk Management - Credit Quality of Financial Assets (Detail) Network

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501 Disclosure of detailed information about financial instruments [table] Table

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502 Credit Rating Source [Axis] Axis invest:CreditRatingSourceAxis
503 Credit Rating Source [Domain] Member invest:CreditRatingSourceDomain
504 A + [member] Member ablx:AplusCreditGradesMember
505 A credit rating [member] Member ablx:ACreditRatingMember
506 A - [Member] Member ablx:AminusCreditGradesMember
507 Assets and liabilities [axis] Axis ifrs-full:AssetsAndLiabilitiesAxis
508 Assets and liabilities [member] Member ifrs-full:AssetsAndLiabilitiesMember
509 Other Financial assets, [member] Member ifrs-full:FinancialAssetsMember
510 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
511 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
512 Current financial assets Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssets
513 Total financial assets Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
514 1075 - Disclosure - Financial Instruments and Financial Risk Management - Summary of Net Foreign Currency Position (Detail) Network

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515 Disclosure of detailed information about financial instruments [table] Table

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516 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
517 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
518 Financial liabilities, class [member] Member ifrs-full:FinancialLiabilitiesMember
519 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
520 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
521 Other Financial assets, [member] Member ifrs-full:FinancialAssetsMember
522 Currency [Axis] Axis us-gaap:CurrencyAxis
523 All Currencies [Domain] Member currency:AllCurrenciesDomain
524 US Dollar [member] Member currency:USD
525 GB Pound [member] Member currency:GBP
526 Disclosure of detailed information about financial instruments [line items] LineItems ifrs-full:DisclosureOfFinancialInstrumentsLineItems
527 Net foreign currency position Concept (Monetary) As Of ifrs-full:ValueAtRisk
528 1076 - Disclosure - Segment Information - Additional Information (Detail) Network

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529 Disclosure of major customers [table] Table

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530 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
531 Customers [member] Member ifrs-full:MajorCustomersMember
532 Three Parties [Member] Member ablx:TypeOneMember
533 One Party [Member] Member ablx:TypeTwoMember
534 Two Parties [Member] Member ablx:TypeThreeMember
535 Range [axis] Axis ifrs-full:RangeAxis
536 Ranges [member] Member ifrs-full:RangesMember
537 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
538 Top of range [member] Member ifrs-full:TopOfRangeMember
539 Disclosure of major customers [line items] LineItems ifrs-full:DisclosureOfMajorCustomersLineItems
540 Income originated from parties, percentage Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
541 1077 - Disclosure - Intangible Asset (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureIntangibleAsset
542 Disclosure of detailed information about intangible assets [table] Table

*

*

 ifrs-full:DisclosureOfIntangibleAssetsTable
543 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
544 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
545 Patent [member] Member ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
546 Computer software [member] Member ifrs-full:ComputerSoftwareMember
547 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
548 Carrying amount [member] Member ifrs-full:CarryingAmountMember
549 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
550 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
551 Disclosure of detailed information about intangible assets [line items] LineItems ifrs-full:DisclosureOfIntangibleAssetsLineItems
552 Intangible assets, Beginning balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
553 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
554 Amortization Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
555 Intangible assets, Ending balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
556 1078 - Disclosure - Property Plant Equipment (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosurePropertyPlantEquipment
557 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
558 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
559 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
560 Land and buildings [member] Member ifrs-full:LandAndBuildingsMember
561 Office equipment [member] Member ifrs-full:OfficeEquipmentMember
562 Furniture [member] Member ablx:FurnitureMember
563 Property, plant and equipment under operating leases [member] Member ifrs-full:PropertyPlantAndEquipmentUnderOperatingLeasesMember
564 Leasehold improvements [member] Member ifrs-full:LeaseholdImprovementsMember
565 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
566 Carrying amount [member] Member ifrs-full:CarryingAmountMember
567 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
568 Accumulated depreciation, amortisation and impairment [member] Member ifrs-full:AccumulatedDepreciationAmortisationAndImpairmentMember
569 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
570 Property, plant and equipment, Beginning Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
571 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
572 Depreciation charge Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
573 Property, plant and equipment, Ending Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
574 1079 - Disclosure - Restricted Cash (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureRestrictedCash
575 Implied Table Table

*

*

 implied:Table
576 Cash and cash equivalents [abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
577 Restricted cash Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
578 1080 - Disclosure - Research and Development Incentive Receivables (Detail) Network

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*

 http://www.ablynx.com/taxonomy/role/DisclosureResearchAndDevelopmentIncentiveReceivables
579 Implied Table Table

*

*

 implied:Table
580 Receivables from contracts with customers [abstract] Abstract ifrs-full:ReceivablesFromContractsWithCustomersAbstract
581 Non-current research and development incentives receivable Concept (Monetary) As Of Debit ifrs-full:NoncurrentReceivablesFromTaxesOtherThanIncomeTax
582 Current research and development incentives receivable Concept (Monetary) As Of Debit ifrs-full:CurrentReceivablesFromTaxesOtherThanIncomeTax
583 Total Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromTaxesOtherThanIncomeTax
584 1081 - Disclosure - Research And Development Incentive Receivables - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureResearchAndDevelopmentIncentiveReceivablesAdditionalInformation
585 Implied Table Table

*

*

 implied:Table
586 Receivables from contracts with customers [abstract] Abstract ifrs-full:ReceivablesFromContractsWithCustomersAbstract
587 Research and development incentives receivable Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromTaxesOtherThanIncomeTax
588 1082 - Disclosure - Trade and Other receivables and Other Current Assets (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureTradeAndOtherReceivablesAndOtherCurrentAssets
589 Implied Table Table

*

*

 implied:Table
590 Trade and other current receivables [abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
591 Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
592 Total Trade receivables Concept (Monetary) As Of Debit ifrs-full:CurrentTradeReceivables
593 Value added tax receivables Concept (Monetary) As Of Debit ifrs-full:CurrentValueAddedTaxReceivables
594 Withholding taxes on interest income Concept (Monetary) As Of Debit ablx:CurrentIncomeTaxReceivables
595 Other receivables Concept (Monetary) As Of Debit ablx:MiscellaneousOtherCurrentReceivables
596 Total other receivables Concept (Monetary) As Of Debit ifrs-full:OtherCurrentReceivables
597 Total trade and other receivables Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivables
598 1083 - Disclosure - Trade Receivable related to Partner (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureTradeReceivableRelatedToPartner
599 Implied Table Table

*

*

 implied:Table
600 Trade and other current receivables [abstract] Abstract ifrs-full:TradeAndOtherCurrentReceivablesAbstract
601 Accrued income Concept (Monetary) As Of Debit ifrs-full:CurrentAccruedIncome
602 Deferred expenses Concept (Monetary) As Of Debit ifrs-full:CurrentPrepaidExpenses
603 Total other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
604 1084 - Disclosure - Cash and Cash Equivalent (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureCashAndCashEquivalent
605 Disclosure Of Cash And Cash Equivalents [Table] Table

*

*

 ablx:DisclosureOfCashAndCashEquivalentsTable
606 Currency [Axis] Axis us-gaap:CurrencyAxis
607 All Currencies [Domain] Member currency:AllCurrenciesDomain
608 Euro [member] Member currency:EUR
609 Foreign Currency [member] Member ablx:ForeignCurrencyMember
610 Disclosure of cash and cash equivalents [line items] LineItems ablx:DisclosureOfCashAndCashEquivalentsLineItems
611 Cash at bank and on hand Concept (Monetary) As Of Debit ifrs-full:Cash
612 Total cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
613 1085 - Disclosure - Share Capital - Schedule of Overview of Capital Transactions (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureShareCapitalScheduleOfOverviewOfCapitalTransactions
614 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
615 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
616 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
617 Warrants [member] Member ablx:WarrantsEquityMember
618 Private placements [member] Member ablx:PrivatePlacementsMember
619 IPO Nasdaq [Member] Member ablx:IPONasdaqMember
620 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
621 Issuance of shares Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
622 Number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
623 1086 - Disclosure - Share Capital - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureShareCapitalAdditionalInformation
624 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
625 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
626 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
627 Warrants [member] Member ablx:WarrantsEquityMember
628 IPO Nasdaq [Member] Member ablx:IPONasdaqMember
629 Private placements [member] Member ablx:PrivatePlacementsMember
630 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
631 Equity [member] Member ifrs-full:EquityMember
632 Share capital [member] Member ifrs-full:IssuedCapitalMember
633 Share Premium Account [member] Member ifrs-full:SharePremiumMember
634 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
635 Issuance of shares Concept (Shares) For Period ifrs-full:IncreaseDecreaseInNumberOfSharesOutstanding
636 Exercise of warrant Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughExerciseOfWarrantsEquity
637 Issuance of share capital Concept (Monetary) For Period Credit ifrs-full:IssueOfEquity
638 Proceeds from issuance of shares Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
639 1087 - Disclosure - Authorized Capital Voting Rights Dividends and Profit Appropriation - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureAuthorizedCapitalVotingRightsDividendsAndProfitAppropriationAdditionalInformation
640 Disclosure of classes of share capital [table] Table

*

*

 ifrs-full:DisclosureOfClassesOfShareCapitalTable
641 Range [axis] Axis ifrs-full:RangeAxis
642 Ranges [member] Member ifrs-full:RangesMember
643 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
644 Disclosure of classes of share capital [line items] LineItems ifrs-full:DisclosureOfClassesOfShareCapitalLineItems
645 Authorized Capital Concept (Monetary) As Of Credit ablx:AuthorizedCapital
646 Voting right Concept (Text/String) For Period ablx:DescriptionOfVotingRights
647 Legal Reserve Concept (Percent) For Period ablx:LegalCapitalReservePercentage
648 Dividend distribution Concept (Text/String) For Period ablx:DescriptionOfDividends
649 1088 - Disclosure - Share based Compensation - 2015 Issuance - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureShareBasedCompensation2015IssuanceAdditionalInformation
650 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
651 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
652 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
653 Warrants [member] Member ablx:WarrantsEquityMember
654 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
655 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
656 After One Year [Member] Member ablx:OneYearMember
657 After One Year The Remaining [Member] Member ablx:OverOneYearMember
658 Range [axis] Axis ifrs-full:RangeAxis
659 Ranges [member] Member ifrs-full:RangesMember
660 Top of range [member] Member ifrs-full:TopOfRangeMember
661 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
662 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
663 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
664 Exercise price 12.10 [Member] Member ablx:WarrantsExercisePriceOneMember
665 Exercise price 12.29 [Member] Member ablx:WarrantsExercisePriceTwoMember
666 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
667 Maximum number of shares approved for issuance Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
668 Warrants Granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
669 Warrants exercise price Concept (Share) For Period invest:InvestmentWarrantsExercisePrice
670 Warrant vesting period Concept (xbrli:durationItemType) For Period ablx:ShareBasedCompensationVestingPeriod
671 Vesting percentage Concept (Percent) For Period ablx:WarrantsVestingRightsPercentage
672 Monthly vesting basis Concept (Percent) For Period ablx:VestingPercentage
673 Warrants Expiration Date Concept (Date) For Period ablx:WarrantsExpirationDate
674 Warrants Term Concept (xbrli:durationItemType) For Period ablx:WarrantsContractualTerm
675 Maximum warrant Issuance Concept (Shares) For Period ablx:NumberOfWarrantsIssued
676 Warrants Granted Concept (Shares) As Of ablx:NumberOfWarrantsGranted
677 1089 - Disclosure - Share based Compensation - 2016 Issuance - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureShareBasedCompensation2016IssuanceAdditionalInformation
678 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
679 Range [axis] Axis ifrs-full:RangeAxis
680 Ranges [member] Member ifrs-full:RangesMember
681 Top of range [member] Member ifrs-full:TopOfRangeMember
682 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
683 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
684 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
685 Warrants [member] Member ablx:WarrantsEquityMember
686 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
687 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
688 After One Year [Member] Member ablx:OneYearMember
689 After One Year The Remaining [Member] Member ablx:OverOneYearMember
690 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
691 Maximum warrant Issuance Concept (Shares) For Period ablx:NumberOfWarrantsIssued
692 Warrants Granted Concept (Shares) As Of ablx:NumberOfWarrantsGranted
693 Warrants exercise price Concept (Share) For Period invest:InvestmentWarrantsExercisePrice
694 Warrant vesting period Concept (xbrli:durationItemType) For Period ablx:ShareBasedCompensationVestingPeriod
695 Vesting period Concept (Percent) For Period ablx:WarrantsVestingRightsPercentage
696 Quarterly vesting basis Concept (Percent) For Period ablx:VestingPercentageQuarterly
697 Warrants Expiration Date Concept (Date) For Period ablx:WarrantsExpirationDate
698 Warrants Term Concept (xbrli:durationItemType) For Period ablx:WarrantsContractualTerm
699 1090 - Disclosure - Share based Compensation - 2017 Issuance - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureShareBasedCompensation2017IssuanceAdditionalInformation
700 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
701 Range [axis] Axis ifrs-full:RangeAxis
702 Ranges [member] Member ifrs-full:RangesMember
703 Top of range [member] Member ifrs-full:TopOfRangeMember
704 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
705 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
706 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
707 Warrants [member] Member ablx:WarrantsEquityMember
708 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
709 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
710 After One Year [Member] Member ablx:OneYearMember
711 After One Year The Remaining [Member] Member ablx:OverOneYearMember
712 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
713 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
714 Exercise Price 12.26 [Member] Member ablx:ExercisePriceOneMember
715 Exercise Price 12.96 [Member] Member ablx:ExercisePriceRangeTwoMember
716 Exercise Price 13.32 [Member] Member ablx:ExercisePriceRangeThreeMember
717 Exercise Price 14.53 [Member] Member ablx:ExercisePriceRangeFourMember
718 Exercise Price 17.84 [Member] Member ablx:ExercisePriceRangeFiveMember
719 Exercise Price 19.78 [Member] Member ablx:ExercisePriceRangeSixMember
720 Exercise price 23.36 [Member] Member ablx:ExercisePriceSevenMember
721 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
722 Maximum warrant Issuance Concept (Shares) For Period ablx:NumberOfWarrantsIssued
723 Warrants Granted Concept (Shares) As Of ablx:NumberOfWarrantsGranted
724 Warrants exercise price Concept (Share) For Period invest:InvestmentWarrantsExercisePrice
725 Warrant vesting period Concept (xbrli:durationItemType) For Period ablx:ShareBasedCompensationVestingPeriod
726 Vesting period Concept (Percent) For Period ablx:WarrantsVestingRightsPercentage
727 Quarterly vesting basis Concept (Percent) For Period ablx:VestingPercentageQuarterly
728 Warrants Expiration Date Concept (Date) For Period ablx:WarrantsExpirationDate
729 Warrants Term Concept (xbrli:durationItemType) For Period ablx:WarrantsContractualTerm
730 Monthly vesting basis Concept (Percent) For Period ablx:VestingPercentage
731 1091 - Disclosure - Share based Compensation - Fair Value Model - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureShareBasedCompensationFairValueModelAdditionalInformation
732 Implied Table Table

*

*

 implied:Table
733 Disclosure of terms and conditions of share-based payment arrangement [abstract] Abstract ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementAbstract
734 Warrants extension period Concept (xbrli:durationItemType) For Period ablx:RenewalExtensionPeriod
735 Fair value of warrant determination Concept (Text/String) For Period ifrs-full:DescriptionOfFrequencyAndMethodsForTestingProceduresOfPricingModelsAssets
736 1092 - Disclosure - Share-based Compensation - Overview of Share-based Compensation Arrangements (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureSharebasedCompensationOverviewOfSharebasedCompensationArrangements
737 Disclosure of terms and conditions of share-based payment arrangement [table] Table

*

*

 ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementTable
738 Range [axis] Axis ifrs-full:RangeAxis
739 Ranges [member] Member ifrs-full:RangesMember
740 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
741 Top of range [member] Member ifrs-full:TopOfRangeMember
742 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
743 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
744 Warrants [member] Member ablx:WarrantsEquityMember
745 Ranges of exercise prices for outstanding share options [axis] Axis ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsAxis
746 Ranges of exercise prices for outstanding share options [member] Member ifrs-full:RangesOfExercisePricesForOutstandingShareOptionsMember
747 Plan - July 13, 2006 [member] Member ablx:WarrantPlanOneMember
748 Plan - December 29, 2006 [member] Member ablx:WarrantPlanTwoMember
749 Plan - June 14, 2007 [member] Member ablx:WarrantPlanThreeMember
750 Plan - October 12, 2007 [member] Member ablx:WarrantPlanFourMember
751 Plan - Augustus 22, 2008 [member] Member ablx:WarrantPlanFiveMember
752 Plan - August 22, 2008 [member] Member ablx:WarrantPlanSixMember
753 Plan - September 29, 2009 [member] Member ablx:WarrantPlanSevenMember
754 Plan - October 30, 2009 [member] Member ablx:WarrantPlanEightMember
755 Plan - December 3, 2010 [member] Member ablx:WarrantPlanNineMember
756 Plan - April 28, 2011 [member] Member ablx:WarrantPlanTenMember
757 Plan - February 1, 2012 [member] Member ablx:WarrantPlanElevenMember
758 Plan - April 26, 2012 [member] Member ablx:WarrantPlanTwelveMember
759 Plan - November 6, 2012 [member] Member ablx:WarrantPlanThirteenMember
760 Plan - January 29, 2013 [member] Member ablx:WarrantPlanFourteenMember
761 Plan - August 5, 2013 [member] Member ablx:WarrantPlanFifteenMember
762 Plan - November 25, 2013 [member] Member ablx:WarrantPlanSixteenMember
763 Plan - April 24, 2014 [member] Member ablx:WarrantPlanSeventeenMember
764 Plan - March 16, 2015 [member] Member ablx:WarrantPlanEighteenMember
765 Plan - September 14, 2015 [member] Member ablx:WarrantPlanNineteenMember
766 Plan - February 24, 2016 [member] Member ablx:WarrantPlanTwentyMember
767 Plan - February 22, 2017 [member] Member ablx:WarrantPlanTwentyOneMember
768 Plan - September 20, 2017 [member] Member ablx:WarrantPlanTwentyTwoMember
769 Disclosure of terms and conditions of share-based payment arrangement [line items] LineItems ifrs-full:DisclosureOfTermsAndConditionsOfSharebasedPaymentArrangementLineItems
770 Expiry date Concept (Date) For Period ablx:WarrantsExpirationDate
771 Exercise price Concept (Share) For Period invest:InvestmentWarrantsExercisePrice
772 Fair value Concept (Monetary) As Of Credit ifrs-full:WeightedAverageFairValueAtMeasurementDateShareOptionsGranted
773 Number of warrants granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
774 Outstanding warrants Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
775 1093 - Disclosure - Share-based Payment - Reconciliation of Share Options Outstanding (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureSharebasedPaymentReconciliationOfShareOptionsOutstanding
776 Implied Table Table

*

*

 implied:Table
777 Disclosure - Share-based Payment - Reconciliation of Share Options Outstanding [Abstract] Abstract ablx:DisclosureSharebasedPaymentReconciliationOfShareOptionsOutstandingAbstract
778 Outstanding warrants at beginning of year Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
779 Number of warrants granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
780 Number of warrants forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
781 Number of warrants exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
782 Number of warrants expired Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExpiredInSharebasedPaymentArrangement
783 Outstanding warrants at end of year Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
784 Warrants average exercise price beginning or year Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
785 Warrants average exercise price granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
786 Warrants average exercise price forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
787 Warrants average exercise price exercised Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
788 Warrants average exercise price expired Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExpiredInSharebasedPaymentArrangement
789 Warrants average exercise price end or year Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
790 1094 - Disclosure - Share-based Payment - Fair value of Warrants At Grant Date Based on Black-Scholes (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureSharebasedPaymentFairValueOfWarrantsAtGrantDateBasedOnBlackScholes
791 Disclosure of number and weighted average remaining contractual life of outstanding share options [table] Table

*

*

 ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsTable
792 Range [axis] Axis ifrs-full:RangeAxis
793 Ranges [member] Member ifrs-full:RangesMember
794 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
795 Top of range [member] Member ifrs-full:TopOfRangeMember
796 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
797 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
798 Plan - July 13, 2006 [member] Member ablx:WarrantPlanOneMember
799 Plan - December 29, 2006 [member] Member ablx:WarrantPlanTwoMember
800 Plan - June 14, 2007 [member] Member ablx:WarrantPlanThreeMember
801 Plan - October 12, 2007 [member] Member ablx:WarrantPlanFourMember
802 Plan - Augustus 22, 2008 [member] Member ablx:WarrantPlanFiveMember
803 Plan - September 29, 2009 [member] Member ablx:WarrantPlanSevenMember
804 Plan - October 30, 2009 [member] Member ablx:WarrantPlanEightMember
805 Plan - December 3, 2010 [member] Member ablx:WarrantPlanNineMember
806 Plan - April 28, 2011 [member] Member ablx:WarrantPlanTenMember
807 Plan - February 1, 2012 [member] Member ablx:WarrantPlanElevenMember
808 Plan - April 26, 2012 [member] Member ablx:WarrantPlanTwelveMember
809 Plan - November 6, 2012 [member] Member ablx:WarrantPlanThirteenMember
810 Plan - January 29, 2013 [member] Member ablx:WarrantPlanFourteenMember
811 Plan - August 5, 2013 [member] Member ablx:WarrantPlanFifteenMember
812 Plan - November 25, 2013 [member] Member ablx:WarrantPlanSixteenMember
813 Plan - April 24, 2014 [member] Member ablx:WarrantPlanSeventeenMember
814 Plan - March 16, 2015 [member] Member ablx:WarrantPlanEighteenMember
815 Plan - September 14, 2015 [member] Member ablx:WarrantPlanNineteenMember
816 Plan - February 24, 2016 [member] Member ablx:WarrantPlanTwentyMember
817 Plan - February 22, 2017 [member] Member ablx:WarrantPlanTwentyOneMember
818 Plan - September 20, 2017 [member] Member ablx:WarrantPlanTwentyTwoMember
819 Disclosure of number and weighted average remaining contractual life of outstanding share options [line items] LineItems ifrs-full:DisclosureOfNumberAndWeightedAverageRemainingContractualLifeOfOutstandingShareOptionsLineItems
820 Expected dividend yield Concept (Monetary) For Period ifrs-full:ExpectedDividendShareOptionsGranted
821 Expected stock price volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
822 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
823 Expected duration Concept (Decimal) For Period ifrs-full:DescriptionOfOptionLifeShareOptionsGranted
824 Fair value Concept (Monetary) For Period ifrs-full:WeightedAverageSharePriceShareOptionsGranted
825 1095 - Disclosure - Financial Liabilities - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureFinancialLiabilitiesAdditionalInformation
826 Disclosure of financial liabilities [table] Table

*

*

 ifrs-full:DisclosureOfFinancialLiabilitiesTable
827 Investment Type [Axis] Axis us-gaap:InvestmentTypeAxis
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829 Convertibles and Bonds with Warrants Attached [Member] Member us-gaap:ConvertiblesAndBondsWithWarrantsAttachedMember
830 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
831 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
832 Conversion Term [member] Member ablx:ConversionTermMember
833 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
834 Cash received bond issuance Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssueOfBondsNotesAndDebentures
835 Bond issued Concept (Monetary) As Of Credit ifrs-full:BondsIssued
836 Debt maturity date Concept (Date) For Period ablx:DebtInstrumentMaturityDate1
837 Debt maturity period Concept (xbrli:durationItemType) For Period ablx:DebtInstrumentYearOfMaturity
838 Bond coupon rate Concept (Percent) For Period ablx:BondsPayableCouponRate
839 Conversion price per share Concept (Share) As Of ablx:StockPricePerShare
840 Increase in premium of conversion price per share Concept (Percent) As Of ablx:PercentageOfChangesInSharePremium
841 Original conversion price per share Concept (Share) For Period ablx:StockOptionsBasePrice
842 Convertible bond, number of shares Concept (Shares) For Period ablx:ConvertibleBondConversionToEquityShares
843 Gross proceed from sale of ordinary shares Concept (Monetary) For Period Debit ablx:ProceedsFromIssuingSharesThroughPublicOffering
844 Number of ordinary shares sold in public offering Concept (Shares) For Period ablx:NumberOfSharesIssuedPublicOffering
845 Conversion price Concept (Share) As Of ablx:ConversionPricePerADS
846 Underwriter option to purchase shares Concept (Shares) As Of ablx:NumberOfOptionsToPurchaseCommonShares
847 Conversion price Concept (Share) For Period ablx:ShareConversionPricePerShare
848 Number of shares available for future conversion Concept (Decimal) As Of ablx:NumberOfOrdinarySharesAvailableForConversionOfConvertibleBond
849 1096 - Disclosure - Financial Liabilities - Convertible Bonds And Embedded Derivative (Detail) Network

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850 Disclosure of financial liabilities [table] Table

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*

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853 Debt host contract [Member] Member ablx:DebtHostContractMember
854 Investment Type [Axis] Axis us-gaap:InvestmentTypeAxis
855 Investments [Domain] Member us-gaap:InvestmentTypeCategorizationMember
856 Convertible Debt Securities [Member] Member us-gaap:ConvertibleDebtSecuritiesMember
857 Disclosure of financial liabilities [line items] LineItems ifrs-full:DisclosureOfFinancialLiabilitiesLineItems
858 Embedded derivative Concept (Monetary) As Of Credit ifrs-full:DerivativeFinancialLiabilities
859 Financial liabilities Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
860 Financial liabilities non-current Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilities
861 1097 - Disclosure - Financial Liabilities - Borrowing Maturity (Detail) Network

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 http://www.ablynx.com/taxonomy/role/DisclosureFinancialLiabilitiesBorrowingMaturity
862 Disclosure of detailed information about borrowings [table] Table

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864 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
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866 Later than two years and not later than five years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
867 Later than five years [member] Member ifrs-full:LaterThanFiveYearsMember
868 Disclosure of detailed information about borrowings [line items] LineItems ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsLineItems
869 Borrowings Concept (Monetary) As Of Credit ifrs-full:Borrowings
870 1098 - Disclosure - Financial Liabilities - Borrowings At Fair Value (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureFinancialLiabilitiesBorrowingsAtFairValue
871 Implied Table Table

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872 Disclosure of detailed information about borrowings [abstract] Abstract ifrs-full:DisclosureOfDetailedInformationAboutBorrowingsAbstract
873 Closing Balance at December 31, 2016 Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
874 Financing cash flows Concept (Monetary) For Period ablx:ChangesFormFinancingCashFlows
875 Payment of interests Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsFinancingActivities
876 Non-cash changes Concept (Monetary) For Period Credit ablx:FinancialLiabilitiesToBeSettledWithNonCashChanges
877 Effective Intrest Rate Concept (Monetary) For Period Debit ablx:InterestExpenseCalculatedUsingEffectiveInterestMethod
878 Changes in fair value of derivative Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives
879 Closing Balance year ended December 31, 2017 Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtFairValue
880 1099 - Disclosure - Trade And Other Payables (Detail) Network

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881 Implied Table Table

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*

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882 Disclosure of carrying amount and value in use of investments in associates and joint ventures [abstract] Abstract ablx:DisclosureOfCarryingAmountAndValueInUseOfInvestmentsInAssociatesAndJointVenturesAbstract
883 Trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
884 Accruals for invoices to be received Concept (Monetary) As Of Credit ifrs-full:Accruals
885 Total trade payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
886 Social security Concept (Monetary) As Of Credit ifrs-full:CurrentPayablesOnSocialSecurityAndTaxesOtherThanIncomeTax
887 Payroll payables Concept (Monetary) As Of Credit ifrs-full:ShorttermEmployeeBenefitsAccruals
888 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentPayables
889 Total other payables Concept (Monetary) As Of Credit ifrs-full:OtherPayables
890 Total trade and other payables Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayables
891 1100 - Disclosure - Schedule of Deferred Income (Detail) Network

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*

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892 Implied Table Table

*

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893 Disclosure - Schedule of Deferred Income [Abstract] Abstract ablx:DisclosureScheduleOfDeferredIncomeAbstract
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895 In the second to the fifth year Concept (Monetary) As Of Credit ifrs-full:DeferredIncomeClassifiedAsNoncurrent
896 Total deferred income Concept (Monetary) As Of Credit ifrs-full:DeferredIncome
897 1101 - Disclosure - Deferred Taxes - Additional Information (Detail) Network

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*

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898 Deferred Tax Assets [Table] Table

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899 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
900 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
901 Changes in tax rates or tax laws enacted or announced [member] Member ifrs-full:ChangesInTaxRatesOrTaxLawsEnactedOrAnnouncedMember
902 Range [axis] Axis ifrs-full:RangeAxis
903 Ranges [member] Member ifrs-full:RangesMember
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906 Tax rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
907 Total research and development Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromTaxesOtherThanIncomeTax
908 Total research and development Concept (xbrli:durationItemType) For Period ablx:DeferredTaxRecoveryPeriod
909 Progressive Collection period of tax refund receivable Concept (xbrli:durationItemType) For Period ablx:TaxRefundReceivableCollectionPeriod
910 1102 - Disclosure - Revenue (Detail) Network

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*

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911 Implied Table Table

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912 Disclosure - Revenue [Abstract] Abstract ablx:DisclosureRevenueAbstract
913 Upfront fees Concept (Monetary) For Period Credit ablx:UpfrontReceived
914 Research and development service fees Concept (Monetary) For Period Credit ablx:ResearchAndDevelopmentCredit
915 Milestone payments Concept (Monetary) For Period Credit ablx:MilestonePaymentsRevenue
916 License fees & other revenue Concept (Monetary) For Period Credit ifrs-full:OtherRevenue
917 Total Concept (Monetary) For Period Credit ifrs-full:RevenueArisingFromExchangesOfGoodsOrServices
918 1103 - Disclosure - Revenue - Additional Information (Detail) Network

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*

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919 Disclosure of Revenue [Table] Table

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920 Segments [axis] Axis ifrs-full:SegmentsAxis
921 Segments [member] Member ifrs-full:SegmentsMember
922 Abb Vie [Member] Member ablx:AbbVieMember
923 Merck & Co [Member] Member ablx:MerckCoMember
924 Boehringer Ingelheim [Member] Member ablx:BoehringerIngelheimMember
925 Range [axis] Axis ifrs-full:RangeAxis
926 Ranges [member] Member ifrs-full:RangesMember
927 Top of range [member] Member ifrs-full:TopOfRangeMember
928 Disclosure of revenue [line items] LineItems ablx:DisclosureOfRevenueLineItems
929 Licensing agreement Concept (Monetary) For Period Credit ablx:LicenseRevenues
930 Up-front payment Concept (Monetary) For Period Credit ablx:UpfrontReceived
931 Research funding Concept (Monetary) For Period Credit ablx:RevenueFromResearchAndDevelopment
932 Milestone payment Concept (Monetary) For Period Credit ablx:MilestonePaymentsRevenue
933 Research term Concept (xbrli:durationItemType) For Period ablx:LicenseAgreementTerm
934 1104 - Disclosure - Grant Income (Detail) Network

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935 Statement [Table] Table

*

*

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936 Project [Axis] Axis ablx:ProjectAxis
937 Project [Domain] Member us-gaap:ProjectMember
938 IWT 18 (T-cell recruiting Nanobodies) [Member] Member ablx:Iwt18Member
939 IWT 19 (Novel Nanonbody-based therapeutic) [Member] Member ablx:Iwt19Member
940 IWT 20 (Bispecific Nanobodies) [member] Member ablx:Iwt20Member
941 IWT 21 (Nanonody-based immunotoxins) [Member] Member ablx:Iwt21Member
942 Range [axis] Axis ifrs-full:RangeAxis
943 Ranges [member] Member ifrs-full:RangesMember
944 Grant Start Date [Member] Member ablx:GrantDateOneMember
945 Grant End Date [Member] Member ablx:GrantDateTwoMember
946 Statement [Line Items] LineItems us-gaap:StatementLineItems
947 Amount granted Concept (Monetary) As Of Credit ifrs-full:GovernmentGrants
948 Amount recognized Concept (Monetary) As Of Debit ablx:GovernmentGrantsRecognized
949 Grant amount received Concept (Monetary) As Of Debit ablx:GovernmentGrantsReceived
950 Grant amount still to receive Concept (Monetary) As Of Debit ablx:GovernmentGrantsReceivable
951 Grant amount recognized as grant income Concept (Monetary) For Period Credit ifrs-full:RevenueFromGovernmentGrants
952 Grant date Concept (Date) For Period ablx:GrantedDate
953 1105 - Disclosure - Research and Development Expense (Detail) Network

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*

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954 Disclosure Of Research And Development Expenses [Table] Table

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*

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956 Expense Categories [Domain] Member ablx:ExpenseCategoriesDomain
957 Consumables [member] Member ablx:ConsumablesMember
958 Outsourcing [Member] Member ablx:OutsourcingMember
959 Patent costs [Member] Member ablx:PatentCostsMember
960 Employee Benefits Expenses [Member] Member ablx:EmployeeBenefitsExpensesMember
961 Share Based Compensation [Member] Member ablx:ShareBasedCompensationMember
962 Other Operating Income (Expense) [Member] Member us-gaap:OtherOperatingIncomeExpenseMember
963 Reduction Withholding Tax for Scientists[member] Member ablx:ReductionWithholdingTaxForScientistsMember
964 Research and Development Incentives [member] Member ablx:ResearchAndDevelopmentIncentivesMember
965 Disclosure Of Research And Development Expenses [line items] LineItems ablx:DisclosureOfResearchAndDevelopmentExpensesLineItems
966 Research and Development Expense Concept (Monetary) For Period Debit ablx:ResearchAndDevelopmentExpenseBeforeDepreciationAndAmortizationExpenses
967 Depreciation and amortization expenses Concept (Monetary) For Period Debit ablx:DepreciationAndAmortizationExpenseRelatedToResearchAndDevelopmentExpenses
968 Research and Development Expense Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
969 1106 - Disclosure - General and Administrative Expense (Detail) Network

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*

 http://www.ablynx.com/taxonomy/role/DisclosureGeneralAndAdministrativeExpense
970 Disclosure of General and Administrative Expense [Table] Table

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*

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972 Expense Categories [Domain] Member ablx:ExpenseCategoriesDomain
973 Employee Benefits Expenses [Member] Member ablx:EmployeeBenefitsExpensesMember
974 Share Based Compensation [Member] Member ablx:ShareBasedCompensationMember
975 Executive Committee [Member] Member ablx:ExecutiveCommitteeMember
976 Consultant [member] Member ablx:ConsultantMember
977 Other Operating Income (Expense) [Member] Member us-gaap:OtherOperatingIncomeExpenseMember
978 Reduction Withholding Tax for Scientists[member] Member ablx:ReductionWithholdingTaxForScientistsMember
979 Disclosure of general and administrative expense [Line items] LineItems ablx:DisclosureOfGeneralAndAdministrativeExpenseLineItems
980 General and administrative expenses, subtotal Concept (Monetary) For Period Debit ablx:GeneralAndAdministrativeExpenseExcludingDepreciationAndAmortizationExpenses
981 Depreciation and amortization expenses Concept (Monetary) For Period Debit ablx:DepreciationIncludedInGeneralAndAdministrativeExpenses
982 General and administrative expenses Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
983 1107 - Disclosure - Employee Benefit Expense (Detail) Network

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*

 http://www.ablynx.com/taxonomy/role/DisclosureEmployeeBenefitExpense
984 Statement [Table] Table

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986 Employee Benefit Scheme [Domain] Member ablx:EmployeeBenefitSchemeDomain
987 Executive Committee [Member] Member ablx:ExecutiveCommitteeMember
988 R&D personnel [Member] Member ablx:ResearchAndDevelopmentMember
989 General and administrative Personnel [member] Member ablx:GeneralAndAdministrativePersonnelMember
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991 Salaries, wages and bonuses Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
992 Social security Concept (Monetary) For Period Debit ifrs-full:SocialSecurityContributions
993 Post-employment benefits Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
994 Share-based compensation expense Concept (Monetary) For Period Debit ablx:ShareBasedCompensationExpense
995 Other employment costs Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
996 Executive Committee compensation1 Concept (Monetary) For Period Debit ablx:ExecutiveCommitteeCompensation
997 Reduction withholding tax for scientists Concept (Monetary) For Period Debit ablx:TaxEffectOfWithholdingTaxExpense
998 Total Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
999 Average FTE Concept (Decimal) For Period ablx:AverageNumberOfEmployeesOnFullTimeEquivalentBasis
1000 1108 - Disclosure - Operating Lease - Additional Information (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureOperatingLeaseAdditionalInformation
1001 Disclosure of finance lease and operating lease by lessee [table] Table

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*

 ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable
1002 Arrangements involving legal form of lease [axis] Axis ifrs-full:ArrangementsInvolvingLegalFormOfLeaseAxis
1003 Arrangements involving legal form of lease [member] Member ifrs-full:ArrangementsInvolvingLegalFormOfLeaseMember
1004 Bio-Versneller NV [Member] Member ablx:BioVersnellerMember
1005 Property, plant and equipment by operating lease status [axis] Axis ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusAxis
1006 Property, plant and equipment by operating lease status [member] Member ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusMember
1007 Automobile business [Member] Member ablx:AutomobileBusinessMember
1008 Office furniture and other equipment [member] Member ablx:OfficeFurnitureAndOtherEquipmentMember
1009 Disclosure of finance lease and operating lease by lessee [line items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1010 Lease term Concept (xbrli:durationItemType) For Period ablx:LeaseTerm
1011 Minimum lease payments Concept (Monetary) For Period Debit ifrs-full:MinimumOperatingLeasePayments
1012 Agreement termination notice period Concept (xbrli:durationItemType) For Period ablx:NoticePeriodForContractTerminations
1013 Area of land Concept (num:areaItemType) For Period ablx:AreaOfLand1
1014 1109 - Disclosure - Non concealable Operating Lease (Detail) Network

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*

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1015 Statement [Table] Table

*

*

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1017 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1018 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
1019 Later than two years and not later than five years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
1020 After five years [Member] Member ablx:AfterFiveYearsMember
1021 Statement [Line Items] LineItems us-gaap:StatementLineItems
1022 Operating lease commitments Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1023 1110 - Disclosure - Financial Income Expense (Detail) Network

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*

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1024 Disclosure of finance income costs [Table] Table

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*

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1026 Scenario, Unspecified [Domain] Member us-gaap:ScenarioUnspecifiedDomain
1027 Scenario, Adjustment [Member] Member us-gaap:ScenarioAdjustmentMember
1028 Disclosure of finance income costs [Line Items] LineItems ablx:DisclosureOfFinanceIncomeCostsLineItems
1029 Financial income Abstract ablx:FinancialIncomeAbstract
1030 Interest income on financial assets Concept (Monetary) For Period Credit ifrs-full:InterestIncomeOnAvailableforsaleFinancialAssets
1031 Financial income related to convertible bond Changes in fair value of embedded derivative Concept (Monetary) For Period Credit ablx:FinancialIncomeOnFairValueAdjustments
1032 Other financial income Concept (Monetary) For Period Credit ablx:OtherFinancialIncome
1033 Total Concept (Monetary) For Period Credit ifrs-full:FinanceIncome
1034 Financial expenses Abstract ablx:FinancialExpensesAbstract
1035 Interest charges on financial liabilities Financial expenses related to convertible bond Changes in fair value of embedded derivative Concept (Monetary) For Period Debit ablx:InterestExpenseOnDerivativeFinancialInstruments
1036 Interest expenses on convertible bond Concept (Monetary) For Period Debit ifrs-full:InterestExpenseOnBonds
1037 Financing charges Concept (Monetary) For Period Debit ablx:FinancialChargesPaid
1038 Other financial expenses Concept (Monetary) For Period Debit ablx:OtherFinancialExpenses
1039 Total Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1040 Net financial result Concept (Monetary) For Period Credit ablx:FinancialIncomeExpense
1041 1111 - Disclosure - Financial Income Expense - Additional Information (Detail) Network

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*

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1042 Statement [Table] Table

*

*

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1043 Foreign Currencies Used for Translations [axis] Axis ablx:ForeignCurrenciesUsedForTranslationsAxis
1044 Foreign Currencies Used For Translations [Domain] Member ablx:ForeignCurrenciesUsedForTranslationsDomain
1045 Unrealized Foreign Exchange Losses [Member] Member ablx:UnrealizedForeignExchangeLossesMember
1046 Realized Foreign Exchange Gains (Losses) [Member] Member ablx:RealizedForeignExchangeGainsLossesMember
1047 Statement [Line Items] LineItems us-gaap:StatementLineItems
1048 Foreign exchange losses Concept (Monetary) For Period Debit ifrs-full:NetForeignExchangeLoss
1049 Foreign exchange gains Concept (Monetary) For Period Credit ifrs-full:NetForeignExchangeGain
1050 1112 - Disclosure - Income Tax Expense (Detail) Network

*

*

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1051 Implied Table Table

*

*

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1052 Major components of tax expense (income) [abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1053 Loss of the year Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
1054 Income taxes calculated at 33.99% Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1055 Effect of income that is exempt from taxation Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1056 Effect of expenses that are not deductible in determining taxable profit Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1057 Effect of unused tax losses and tax offsets not recognised as deferred tax assets Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfTaxLosses
1058 Effective income taxes Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1059 1113 - Disclosure - Income Tax Expense (Parenthetical) (Detail) Network

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*

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1060 Implied Table Table

*

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1061 Major components of tax expense (income) [abstract] Abstract ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract
1062 Income tax rate, applicable Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1063 1114 - Disclosure - Loss Per Share (Detail) Network

*

*

 http://www.ablynx.com/taxonomy/role/DisclosureLossPerShare
1064 Implied Table Table

*

*

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1065 Earnings per share [abstract] Abstract ifrs-full:EarningsPerShareAbstract
1066 Basic loss per share Abstract ifrs-full:BasicEarningsPerShareAbstract
1067 Loss of the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1068 Weighted average number of shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
1069 Basic loss per share Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1070 Diluted loss per share Abstract ifrs-full:DilutedEarningsPerShareAbstract
1071 Loss of the year as used for basic loss per share Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1072 Adjustments to earnings relating to convertible bond Concept (Monetary) For Period Credit ablx:DilutiveEffectOfConvertibleBonds
1073 Loss of the year Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects
1074 Weighted average number of shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
1075 Adjustments to number of shares relating to convertible bond Concept (Shares) For Period ifrs-full:DilutiveEffectOfConvertibleInstrumentsOnNumberOfOrdinaryShares
1076 Weighted average number of shares outstanding after dilution effect Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
1077 Diluted loss per share Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1078 1115 - Disclosure - Commitments Lease Agreements - Additional Information (Detail) Network

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*

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1079 Disclosure of finance lease and operating lease by lessee [table] Table

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1080 Arrangements involving legal form of lease [axis] Axis ifrs-full:ArrangementsInvolvingLegalFormOfLeaseAxis
1081 Arrangements involving legal form of lease [member] Member ifrs-full:ArrangementsInvolvingLegalFormOfLeaseMember
1082 Bio-Versneller NV [Member] Member ablx:BioVersnellerMember
1083 Financial commitments [Axis] Axis ablx:FinancialCommitmentsAxis
1084 Financial commitments [Domain] Member ablx:FinancialCommitmentsDomain
1085 Incubatie [Member] Member ablx:IncubatieMember
1086 Maturity [axis] Axis ifrs-full:MaturityAxis
1087 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1088 Not later than one year [member] Member ifrs-full:NotLaterThanOneYearMember
1089 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1090 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1091 Land and buildings [member] Member ifrs-full:LandAndBuildingsMember
1092 Property, plant and equipment by operating lease status [axis] Axis ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusAxis
1093 Property, plant and equipment by operating lease status [member] Member ifrs-full:PropertyPlantAndEquipmentByOperatingLeaseStatusMember
1094 Housing of llamas [Member] Member ablx:HousingOfLlamasMember
1095 Disclosure of finance lease and operating lease by lessee [line items] LineItems ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems
1096 Lease expendable term Concept (xbrli:durationItemType) For Period ablx:LeaseExtendTerm
1097 Area of land Concept (num:areaItemType) For Period ablx:AreaOfLand1
1098 lease description Concept (Text/String) For Period ifrs-full:DescriptionOfMaterialLeasingArrangementsByLessorClassifiedAsOperatingLease
1099 Pledge granted under lease agreement Concept (Monetary) As Of Debit ifrs-full:NoncurrentLeasePrepayments
1100 Pledge granted under lease agreement,recognition period Concept (xbrli:durationItemType) For Period ablx:LeaseCostRecognitionPeriod
1101 Agreement termination notice period Concept (xbrli:durationItemType) For Period ablx:NoticePeriodForContractTerminations
1102 Lease term Concept (xbrli:durationItemType) For Period ablx:LeaseTerm
1103 Bank Guarantees Concept (Monetary) As Of Credit ablx:BankGuarantees
1104 Purchase commitment,term Concept (Text/String) For Period ifrs-full:DescriptionOfNatureOfObligationContingentLiabilities
1105 Purchase commitment Concept (Monetary) As Of ifrs-full:EstimatedFinancialEffectOfContingentLiabilities
1106 1116 - Disclosure - Remuneration Key Management and Non-executive Directors (Detail) Network

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*

 http://www.ablynx.com/taxonomy/role/DisclosureRemunerationKeyManagementAndNonexecutiveDirectors
1107 Disclosure of transactions between related parties [table] Table

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*

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1109 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1110 Key management [member] Member ifrs-full:KeyManagementPersonnelOfEntityOrParentMember
1111 Non Executive Directors [member] Member ablx:NonExecutiveDirectorsMember
1112 Disclosure of transactions between related parties [line items] LineItems ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems
1113 Number of management members Concept (Integer) For Period ablx:NumberOfKeyManagementPersonnel
1114 Share-based compensation expense Concept (Monetary) For Period Debit ablx:DirectorShareBasedCompensationExpense
1115 Short-term employee benefits (salaries, social security, bonuses, lunch vouchers) Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1116 Management fees Concept (Monetary) For Period Debit ablx:NonExecutiveDirectorsFees
1117 Post-employment benefits (group insurance) Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1118 Total Concept (Monetary) For Period Debit ifrs-full:DirectorsRemunerationExpense
1119 Share-based compensation expense Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1120 Other employee benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationOtherLongtermBenefits
1121 Management fees Concept (Monetary) For Period Debit ablx:KeyManagementPersonnelCompensationManagementFees
1122 Retribution Concept (Monetary) For Period Credit ablx:KeyManagementPersonnelRetributionReceived
1123 Total Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1124 Number of warrants granted (in units) Concept (Shares) As Of ablx:NumberOfWarrantsGranted
1125 Cumulative outstanding warrants (in units) Concept (Shares) As Of ablx:CumulativeWarrantsOutstanding
1126 Non-vested warrants Concept (Shares) For Period ablx:NonVestedWarrants
1127 Shares owned (in units) Concept (Shares) As Of ablx:NumberOfSharesOwned
1128 1117 - Disclosure - Events After the Reporting Date - Additional Information (Detail) Network

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 http://www.ablynx.com/taxonomy/role/DisclosureEventsAfterTheReportingDateAdditionalInformation
1129 Disclosure of Events After Reporting Period [Table] Table

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 ablx:DisclosureOfEventsAfterReportingPeriodTable
1130 Debt Instrument 1 [Axis] Axis ablx:DebtInstrument1Axis
1131 Debt Instrument [Domain] Member ablx:DebtInstrumentDomain
1132 Convertible bonds [member] Member ablx:ConvertibleBondsMember
1133 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
1134 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
1135 Events After Reporting Period [Member] Member ablx:EventsAfterReportingPeriodMember
1136 Legal Entity [Axis] Axis dei:LegalEntityAxis
1137 Entity [Domain] Member dei:EntityDomain
1138 Sanofi [member] Member ablx:SanofiMember
1139 Disclosure of Events After Reporting Period [Line Items] LineItems ablx:DisclosureOfEventsAfterReportingPeriodLineItems
1140 Share price Concept (Share) For Period ablx:ShareConversionPricePerShare
1141 Proceeds from conversion of convertible securities Concept (Monetary) For Period Credit ablx:ConversionOfDebtToEquity
1142 income from research collaboration agreement Concept (Monetary) For Period Credit ablx:RevenueFromCollaborationAgreements

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