Document and Entity Information [Abstract] Document Information [Table] Document Information [Line Items] Document Type Document Registration Statement Document Period End Date Entity Registrant Name Document Annual Report Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Emerging Growth Company Entity Ex Transition Period Entity Shell Company Document Shell Company Report Document Transition Report Entity Central Index Key Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Amendment Flag Consolidated Statements of Comprehensive Income Profit or loss [abstract] Income Statement Revenue Revenue Research and development expense Research and development expenses Research and development expenses General and administrative expense General and administrative expenses Operating expense Operating expenses Profit (loss) from operating activities Operating result Finance income Total financial income Finance costs Finance expenses Total financial expenses Profit (loss) before tax Net result before tax Net result before tax Tax expense (income), continuing operations Corporate tax Total tax expense (income) Profit (loss) Net result Net result Basic earnings (loss) per share Basic net result per share Diluted earnings (loss) per share Diluted net result per share Statement of comprehensive income [abstract] Statement of Comprehensive Income Other comprehensive income [abstract] Other comprehensive income: Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Amounts which may be re-classified to the income statement: Other comprehensive income, net of tax, exchange differences on translation Adjustment of foreign currency fluctuations on subsidiaries Cash flow hedges [abstract] Fair value adjustments of cash flow hedges: Other comprehensive income, net of tax, change in fair value of financial liability attributable to change in credit risk of liability Fair value adjustments during the period Reclassification adjustments on cash flow hedges, net of tax Fair value adjustments reclassified to the income statement to financial income Comprehensive income Total comprehensive income Total comprehensive income Consolidated Balance Sheets Intangible assets other than goodwill Cost at end of period Cost at beginning of period Intangible assets Carrying amount of intangible asset Property, plant and equipment Cost at end of period Cost at beginning of period Property, plant and equipment Right-of-use assets ROU assets Right-of-use assets Trade and other non-current receivables Receivables Non-current receivables Net deferred tax assets Deferred tax assets Investments accounted for using equity method Other investments Non-current assets Total non-current assets Trade and other current receivables Receivables Current receivables Amount of investments in debt and equity securities which have original maturities over to 90 days, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer. Ifrs Marketable Securities Current Marketable securities Market value Cash and cash equivalents Cash and cash equivalents at the end of the period Cash and cash equivalents at the beginning of the period Cash and cash equivalents Current assets Total current assets Assets Cost at the end of the period Cost at the beginning of the period Total assets Net book value at the end of the period Equity and liabilities [abstract] SHAREHOLDERS’ EQUITY AND LIABILITIES Issued capital Share capital, at end of period Share capital, at beginning of period Share capital Share premium Share premium Other reserves Other reserves Retained earnings Retained Earnings Equity Balance at end of period Balance at beginning of period Total shareholders' equity Non-current provisions Non-current provisions Provisions Non-current lease liabilities Lease liabilities Non-current Other non-current payables Non-current other payables Other payables Non-current liabilities Total non-current liabilities Provisions Provisions at end of period Provisions at beginning of period Provisions at end of period Current tax liabilities, current Corporate tax payable Current lease liabilities Lease liabilities Current Other current payables Current other payables Other payables Current liabilities Total current liabilities Liabilities Total liabilities Equity and liabilities Total shareholders' equity and liabilities Consolidated Statements of Cash Flows Cash flows from (used in) operating activities [abstract] Cash flows from operating activities: The reversal of financial items to the cash flow under operating activities. Reversal Of Financial Items, Net Reversal of financial items, net Adjustments for total non-cash items to reconcile profit (loss) to net cash flow from (used in) operating activities. Total Adjustments For Non Cash Transactions Adjustment for non-cash transactions Total adjustments for non-cash transactions Increase (decrease) in working capital Change in working capital Total changes in working capital The cash flows from (used in) operating activities, which are the principal revenue-producing activities of the entity and other activities before reconciling the financial items. Cash Flow From (Used In) Operating Activities Before Financial Items Cash generated by operating activities before financial items Interest received, classified as operating activities Interest received Adjustments for interest on lease payments to reconcile profit (loss) to net cash flow from (used in) operating activities. Adjustments For Interest On Lease Payments Interest elements of lease payments Interest paid, classified as operating activities Interest paid Adjustments for income tax expense Corporate taxes (paid)/received Cash flows from (used in) operating activities Cash flows from operating activities Net cash generated by operating activities Cash flows from (used in) investing activities [abstract] Cash flows from investing activities: Purchase of intangible assets, classified as investing activities Investment in intangible assets Purchase of property, plant and equipment, classified as investing activities Investment in tangible assets Purchase of investments other than investments accounted for using equity method Marketable securities bought Proceeds from sales of investments other than investments accounted for using equity method Marketable securities sold Cash flows from (used in) investing activities Net cash used in investing activities Cash flows from (used in) financing activities [abstract] Cash flows from financing activities: The cash inflow from the exercise of warrants. Proceeds From Exercise Of Warrants Warrants exercised Exercise of warrants Proceeds from issuing shares Shares issued for cash Payments for share issue costs Costs related to issuance of shares Payments of lease liabilities, classified as financing activities Principal elements of lease payments The cash outflow to acquire treasury shares. Payments To Acquire Treasury Shares Purchase of treasury shares The cash outflow for withholding taxes on behalf of employees on net settled restricted stock units (RSUs). Payment Of Withholding Taxes On Behalf Of Employees On Net Settled R S Us Payment of withholding taxes on behalf of employees on net settled RSUs Cash flows from (used in) financing activities Cash flows from financing activities Net cash from financing activities Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Changes in cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Exchange rate adjustments Cash and cash equivalents [abstract] Cash and cash equivalents include: Cash Bank deposits and petty cash Short-term investments, classified as cash equivalents Short-term marketable securities Consolidated Statements of Changes in Equity Statement of changes in equity [table] Statement of changes in equity [line items] STATEMENT OF CHANGES IN EQUITY Number of shares outstanding Number of shares, at end of period Number of shares, at beginning of period Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. Ifrs Cumulative Effect of New Accounting Principle in Period of Adoption Change in accounting policy: Adoption of IFRS 15 Amount of stockholder's equity, after the cumulative effect adjustment of a new accounting principle applied in the period of adoption. Equity Adjusted For Cumulative Effect Of New Accounting Principle In Period Of Adoption Adjusted total equity at January 1, 2018 Other comprehensive income Other comprehensive income n/a Transactions With Owners Transactions with owners: Increase (decrease) through exercise of warrants, equity Exercise of warrants Issue of equity Shares issued for cash Expenses Related To Capital Increase Decrease Expenses Related To Capital Increase Decrease Expenses related to capital increases Purchase of treasury shares Purchase of treasury shares Purchase of treasury shares Increase (decrease) through share-based payment transactions, equity Share-based compensation expenses The increase (decrease) in equity resulting from net settlement of restricted stock units. Increase Decrease Through Net Settlement Of Restricted Stock Units, Equity Net settlement of RSUs The increase (decrease) in equity resulting from tax on items recognized directly in equity. Increase Decrease Through Tax On Items Recognized Directly In Equity Total tax for the period in shareholders' equity Tax on items recognized directly in equity No definition available. BASIS OF PRESENTATION Disclosure of basis of preparation of financial statements [text block] BASIS OF PRESENTATION No definition available. RESULTS FOR THE YEAR The entire disclosure for results for the year. Results For The Year [Text Block] RESULTS FOR THE YEAR No definition available. OPERATING ASSETS AND LIABILITIES The entire disclosure for operating assets and liabilities. Operating Assets And Liabilities [Text Block] OPERATING ASSETS AND LIABILITIES No definition. CAPITAL STRUCTURE, FINANCIAL RISK AND RELATED ITEMS Disclosure of financial risk management [text block] CAPITAL STRUCTURE, FINANCIAL RISK AND RELATED ITEMS No definition. OTHER DISCLOSURES The entire information of other disclosures. Other Disclosure [Text Block] OTHER DISCLOSURES Disclosure of significant accounting policies [text block] Nature of Business and Accounting Policies The description of the entity's accounting policy for recently adopted new accounting standards. New Accounting Standards - Recently Adopted New Accounting Policies and Disclosures The description of the entity's accounting policy for Basis of presentation. Description Of Accounting Policy For Judgments And Estimates [Policy Text Block] Management's Judgments and Estimates under IFRS Disclosure of expected impact of initial application of new standards or interpretations [text block] Schedule of impact of the adoption of IFRS 16 on the financial statements Disclosure of disaggregation of revenue from contracts with customers [text block] Schedule of disaggregates of revenue by type of payment and collaboration partner under agreements Tabular disclosure for segment disclosures in the financial statements as the group’s business activities. Schedule Of Segment Disclosures In Financial Statements [Table Text Block] Schedule of segment disclosures in the financial statements as the group’s business activities. Disclosure of staff cost. Disclosure Of Staff Cost [Table Text Block] Schedule of staff cost Tabular disclosure of fair value of each warrant granted. Valuation Assumptions for Warrants Granted [Table Text Block] Fair value of each warrant granted Tabular disclosure for corporate and deferred Tax. Disclosure Of Corporate And Deferred Tax [Table Text Block] Schedule of corporate and deferred Tax Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of reconciliation of effective tax rate Disclosure of deferred taxes [text block] Schedule of components of the deferred tax asset Tabular disclosure of net result for the year. Disclosure Of Net Result [Table Text Block] Schedule of net result Disclosure of earnings per share [text block] Schedule of Result Per Share Disclosure of detailed information about property, plant and equipment [table] Disclosure of detailed information about property, plant and equipment [line items] Property, Plant and Equipment Disclosure of detailed information about intangible assets [text block] Schedule of Intangible Assets Disclosure of property, plant and equipment [text block] Schedule of property, plant and equipment Tabular disclosure for depreciation, amortization, and impairments are included in the income statement. Disclosure Of Depreciation Amortization And Impairments Included In Income Statement [Table Text Block] Schedule of Depreciation, amortization, and impairments are included in the income statement Tabular disclosure of balance sheet information relating to leases. Summary of balance sheet amounts relating to leases Tabular disclosure of comprehensive information relating to leases. Summary of statement of comprehensive income amounts relating to leases Tabular disclosure of cash outflow for leases Disclosure Of Cash Outflow For Leases [Table Text Block] Schedule of cash outflow for leases Disclosure of maturity analysis of operating lease payments [text block] Schedule of future minimum payments under our leases Disclosure of trade and other receivables [text block] Schedules of Receivables Disclosure of intangible assets with indefinite useful life [text block] Schedule of straight-line basis o useful lives Disclosure of provisions [text block] Schedule of provisions Disclosure of trade and other payables [text block] Schedule of other payables Tabular disclosure of impact of exchange rate on our net result before tax. Disclosure Of Impact Of Exchange Rate On Net Result Before Tax [Table Text Block] Schedule of impact of exchange rate on our net result before tax Tabular disclosure of maturity profile of our marketable securities. Disclosure Of Maturity Profile Of Our Marketable Securities [Table Text Block] Schedule of maturity profile of our marketable securities Disclosure of offsetting of financial assets and financial liabilities [text block] Schedule of Financial Assets and Liabilities Disclosure of fair value measurement of assets [text block] Schedule of marketable securities Tabular disclosure of portfolio of marketable securities. Schedule Of Portfolio Of Marketable Securities Schedule of portfolio of marketable securities na Schedule of finance income and expenses Disclosure of number and weighted average exercise prices of other equity instruments [text block] Summary of RSUs activity Tabular disclosure of warrants activity. Disclosure Of Warrants Activity [Table Text Block] Summary of warrants activity The disclosure of the number and weighted average exercise prices of warrants. Disclosure Of Number And Weighted Average Exercise Prices Of Warrants [Table Text Block] Schedule of Weighted Average Exercise Prices Of Warrants Disclosure of reserves within equity [text block] Schedule of changes in share capital Disclosure of treasury shares [text block] Schedule Of Treasury Shares Disclosure of amounts incurred by entity for provision of key management personnel services provided by separate management entities [text block] Summary of remuneration of the Board of Directors and Executive Management The tabular disclosure of amounts incurred by entity for provision of key management personnel . Disclosure of amounts incurred by entity for provision of key management personnel [Table Text Block] Schduel of Remuneration to the Board of Directors Disclosure of information about key management personnel [text block] Schedule of executive compensation The entire disclosure of shareholdings by the board of directors and executive management. Shareholdings By The Board Of Directors And Executive Management Disclosure [Text Block] Shareholdings by the Board of Directors and Executive Management Disclosure of interests in subsidiaries [text block] Schedule of company overview Disclosure of auditors' remuneration [text block] Summary of fees to auditors Disclosure of cash flow statement [text block] Summary of adjustments to cash flow statement Disclosure of information about collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations. Ifrs Collaborative Arrangement and Arrangement Other than Collaborative [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] Collaboration Agreements Proportion of ownership interest in joint venture Ownership interest in joint venture The amount of upfront payment under collaboration agreement term. Collaboration Agreements Upfront Payment Upfront Payment Number of options to obtain commercial licenses. Number of options to obtain commercial licenses Number of options License exercisable term. License Exercisable Term License exercisable term The amount of collaboration agreements, development regulatory and commercial milestone payment. Collaboration Agreements, Development Regulatory And Commercial Milestone Payment Collaborative arrangement, Development, Regulatory and commercial milestone payment Disclosure of initial application of standards or interpretations [table] Disclosure of initial application of standards or interpretations [line items] Weighted average lessee's incremental borrowing rate applied to lease liabilities recognised at date of initial application of IFRS 16 Weighted average lessee’s incremental borrowing rate applied to the lease liabilities Amount of lessee's undiscounted obligation for lease payments. Lease, Liability, Payment, Due, Total Operating lease commitments disclosed as at December 31, 2018 Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments. Lease, Liability, Undiscounted Excess Amount Discounted using the group’s incremental borrowing rate of 3.7% Amount of lessee's obligation for lease payments for short-term leases recognised on a straight- line basis as expense. Lease Liability Short Term Leases Recognized Straight Line Basis Expense (Less): short-term leases recognized on a straight- line basis as expense Amount of lessee's obligation for adjustments as a result of a different treatment of extension and termination options. Lease, Liability, Other Adjustments Add/(less): adjustments as a result of a different treatment of extension and termination options Lease liabilities Lease liabilities Lease liabilities Total lease liabilities Statement that lessee accounts for short-term leases using recognition exemption Practical Expedient , Statement that lessee accounts for short-term leases using recognition exemption Right-of-use assets that do not meet definition of investment property ROU assets that meet the definition of investment property Disclosure of disaggregation of revenue from contracts with customers [table] Information by collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations. Ifrs Collaborative Arrangement and Arrangement Other Than Collaborative [Axis] Collaborative arrangement and arrangement other than collaborative applicable to revenue-generating activity or operations. Ifrs Collaborative Arrangement And Arrangement Other Than Collaborative [Domain] Ifrs Collaborative Arrangement and Arrangement Other Than Collaborative [Domain] This member stands for collaborative arrangement with Janssen (Darzalex/Daratumumab & DuoBody). Agreements With Janssen [Member] Janssen (Darzalex/Daratumumab & DuoBody) This member stands for collaborative arrangement with Novartis (Arzaerra/Ofatumumab). Agreements With Novartis [Member] Novartis (Arzaerra/Ofatumumab)