Document and Entity Information Document Information [Table] Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Classes of share capital [axis] Classes of share capital [domain] Common shares American Depositary Shares ADS Document Information [Line Items] Document Type Document Registration Statement Document Annual Report Document Period End Date Document Transition Report Document Shell Company Report Entity File Number Entity Registrant Name Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, Country Contact Personnel Name Country Region City Area Code Local Phone Number Title of 12(b) Security Trading Symbol No Trading Symbol Flag Security Exchange Name 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 ICFR Auditor Attestation Flag Document Accounting Standard Entity Shell Company Entity Central Index Key Amendment Flag Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Auditor Name Auditor Location Auditor Firm ID Document Financial Statement Error Correction [Flag] Consolidated Balance Sheets Assets [abstract] ASSETS Current assets [abstract] Current assets Cash and cash equivalents. Cash and cash equivalents at end of the year Cash and cash equivalents at beginning of the year Cash and cash equivalents Total cash and cash equivalents Other current financial assets Other financial assets Trade and other current receivables Trade and other receivables Current prepayments Prepayments The amount of miscellaneous current other assets. Miscellaneous Other Current Assets Other short-term assets Current assets Current assets Total current assets Non-current assets [abstract] Non-current assets Right-of-use assets. Closing amount Opening amount Right-of-use assets Intangible assets other than goodwill Closing amount Opening amount Intangible assets Property, plant and equipment Closing amount Opening amount Equipment Non-current financial assets. Non-current financial assets Total non-current financial assets Investments in associates accounted for using equity method End of period Beginning of the period Investment accounted for using the equity method Non-current financial assets at fair value through other comprehensive income Financial assets at fair value through other comprehensive income Financial assets at fair value through other comprehensive income Non-current derivative financial assets Derivative financial instrument Non-current assets Non-current assets Total non-current assets Long-lived assets Assets Total assets Equity and liabilities [abstract] LIABILITIES AND EQUITY Current liabilities [abstract] Current liabilities Current lease liabilities Current lease liabilities Trade and other current payables Payables and accruals Total payables and accruals Current liabilities Current liabilities Total current liabilities Non-current liabilities [abstract] Non-current liabilities Non-current lease liabilities Non-current lease liabilities Non-current net defined benefit liability Retirement benefits obligations Non-current liabilities Non-current liabilities Total non-current liabilities Equity [abstract] Equity Issued capital Share capital Share premium. Share premium Other equity interest Other equity Treasury shares Treasury shares reserve Other reserves. Other reserves Retained earnings Accumulated deficit Equity Ending balance Beginning balance Total equity Equity and liabilities Total liabilities and equity Consolidated Statements of Profit or Loss Revenue from contracts with customers Revenue from contract with customer Other income. Other income Operating costs Operating costs Research and development expense Research and development General and administrative expense General and administration Operating expense Total operating costs Total operating costs Operating costs Profit (loss) from operating activities Operating loss Finance income Finance costs. Finance expense Finance income (cost) Finance result Share of net loss of associates Share of net loss of investments accounted for using the equity method Share of net loss of Neurosterix's Group Profit (loss) before tax Net loss before tax Net loss before tax from continuing operations Net gain / (loss) before tax Tax expense (income) Income tax expense Profit (loss) from continuing operations Net loss from continuing operations Profit (loss) from discontinued operations Net profit / (loss) from discontinued operations (attributable to equity holders of the Group) Total net gain / (loss) from Discontinued operations Net profit / (loss) from discontinued operations Profit (loss) Net profit / (loss) for the period Net profit / (loss) for the period Net loss for the period Basic earnings (loss) per share Basic profit / (loss) per share for profit/(loss) attributable to the ordinary equity holders of the Company Basic earnings (loss) per share from continuing operations From continuing operations Basic earnings (loss) per share from discontinued operations From discontinued operations Diluted earnings (loss) per share Diluted profit / (loss) per share for profit/ (loss) attributable to the ordinary equity holders of the Company Diluted earnings (loss) per share from continuing operations From continuing operations Diluted earnings (loss) per share from discontinued operations From discontinued operations Consolidated Statements of Comprehensive Profit or Loss Other comprehensive income [abstract] Other comprehensive income / (loss) Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] Items that will never be reclassified to profit and loss: Share of other comprehensive income of associates and joint ventures accounted for using equity method that will not be reclassified to profit or loss, net of tax Share of other comprehensive loss of investments accounted for using the equity method Share of other comprehensive gain / (loss) of Neurosterix's Group The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset) attributable to continuing operations. Other Comprehensive Income, Net Of Tax, Gains (Losses) On Remeasurements Of Defined Benefit Plans, Continuing Operations Remeasurements of retirement benefits obligation related to continuing operations The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset) attributable to discontinued operations. Other Comprehensive Income, Net Of Tax, Gains (Losses) On Remeasurements Of Defined Benefit Plans, Discontinued Operations Remeasurements of retirement benefits obligation related to discontinued operations Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] Items that may be classified subsequently to profit or loss: Other comprehensive income, net of tax, exchange differences on translation of foreign operations Exchange difference on translation of foreign operations Other comprehensive income Other comprehensive loss for the year Other comprehensive income / (loss) for the period, net of tax Other comprehensive gain / (loss) Comprehensive income Total comprehensive profit / (loss) for the period Total comprehensive loss Comprehensive income from continuing operations From continuing operations Comprehensive income from discontinued operations From discontinued operations Consolidated Statements of Changes in Equity Statement of changes in equity [table] Components of equity [axis] Components of equity [domain] Share Capital Share Premium Other equity interest [member] Other Equity Treasury Shares Reserve Foreign Currency Translation Reserve Other reserves, excluding treasury shares and foreign currency translation Other Reserves Accumulated Deficit Statement of changes in equity [line items] Consolidated Statements of Changes in Equity Issue of treasury shares Issue of treasury shares Increase (decrease) through exercise of options, equity Exercise ESOP (treasury shares IFRS 2) Share issue related cost Cost of treasury shares issuance Increase (decrease) through sale of pre-funded warrants Sale of pre-funded warrants Cost of sale of pre-funded warrants Cost of sale of pre-funded warrants, equity Cost of pre-funded warrants sold Increase (decrease) through exercise of warrants, equity Exercise of pre-funded warrants Cost of pre-funded warrants exercised, equity Cost of pre-funded warrants exercised, equity Costs of pre-funded warrants exercised Increase (decrease) in equity through grant of warrants and pre-funded warrants Increase Decrease Through Grant Of Warrants And Pre Funded Warrants Value of warrants Increase (decrease) through share-based payment transactions, equity Value of share-based services Movement in treasury Shares Movement in treasury Shares [Abstract] Movement in treasury shares: Sale of treasury shares Sale of treasury share Sale of treasury shares Amount of costs on sale of treasury shares. Cost of sale of treasury shares, equity Costs related to the sale of treasury shares Net sales (purchases) of treasury shares under liquidity agreement Net sales (purchases) of treasury shares under liquidity agreement Net sales / (purchases) under liquidity agreement Cost of sales agency agreement transactions, equity Cost of sales agency agreement transactions, equity Costs under sale agency agreement Consolidated Statements of Cash Flows Adjustments to reconcile profit (loss) [abstract] Adjustments for: Adjustments for gain (loss), net of tax on discontinuance when operations are discontinued to reconcile profit (loss) to net cash flow from (used in) operating activities. Adjustments for Gain (Loss) On Discontinuance, Net Of Tax Net gain on Neurosterix Transaction Adjustments for income of fair value of services received at zero cost Adjustments for income of fair value of services received at zero cost Fair value of services received at zero cost recorded as income Adjustments for cost of fair value of services received at zero cost Adjustments for cost of fair value of services received at zero cost Fair value of services received at zero cost recorded as other operating costs Adjustments for share-based payments Value of share-based services Adjustments for provisions Post-employment benefits Adjustments for undistributed profits of associates Share of the net loss of associates Adjustments for depreciation expense Depreciation Adjustments for gain (loss) related to lease modification to net cash flow from (used in) operating activities. Adjustments for Gain (Loss) Related to Lease Modification Net gain related to lease modification Adjustments for finance income (cost) Finance cost / (income) net Finance cost net Adjustments for decrease (increase) in other financial assets Decrease / (increase) in other financial assets Adjustments for decrease (increase) in trade and other receivables Decrease in trade and other receivables Decrease / (increase) in trade and other receivables Adjustments For Decrease Increase In Contract Assets Decrease in contract asset Adjustments for decrease (increase) in prepayments Decrease / (increase) in prepayments Decrease / (increase) in prepayments Adjustments for decrease (increase) in miscellaneous other current assets Adjustments for decrease (increase) in miscellaneous other current assets Decrease / (increase) in other current assets Increase in other current assets Adjustments for increase (decrease) in trade and other payables Increase / (decrease) in payables and accruals Increase / (decrease) in payables and accruals Adjustments for increase (decrease) in deferred income Decrease in deferred income Increase / (decrease) in deferred income Cash flows from (used in) operating activities Net cash used in operating activities Cash flows from (used in) investing activities [abstract] Cash flows from / (used in) investing activities Net cash flow from / (used in) investing activities Proceeds from disposal of non-current assets or disposal groups classified as held for sale and discontinued operations Consideration from Neurosterix Transaction The cash outflow from legal fees incurred for the disposal of non-current assets or disposal groups classified as held for sale and discontinued operations. Payments for Legal Fees for Disposal of Noncurrent Assets Or Disposal Groups Classified As Held For Sale And Discontinued Operations Legal fees paid for Neurosterix Transaction Purchase of financial assets measured at fair value through other comprehensive income, classified as investing activities Investment in Stalicla SA - preferred shares Purchase of derivative financial instruments Purchase of derivative financial instruments Investment in Stalicla SA - derivative financial instruments Purchase of property, plant and equipment, classified as investing activities Purchase of property, plant and equipment Capital expenditure Cash flows from (used in) investing activities Net cash from/(used in) investing activities Cash flows from (used in) financing activities [abstract] Cash flows from financing activities Proceeds from sale or issue of treasury shares Sale of treasury shares Gross proceeds from sale of treasury shares Costs paid on sale of treasury shares Costs paid on sale of treasury shares Cost paid on sale of treasury shares Costs paid on issue of treasury shares Costs paid on issue of treasury shares Cost of treasury share issuance Proceeds from exercise of warrants Proceeds from the exercise of pre-funded warrants The cash outflow for costs on sale and exercise of pre-funded warrants. Payments for Costs on Sale and Exercise Pre-Funded Warrants Costs paid on exercise of pre-funded warrants Payments of lease liabilities, classified as financing activities Principal element of lease payment Interest received, classified as financing activities Interest received, classified as financing activities Interest received Interest paid, classified as financing activities Interest paid Cash flows from (used in) financing activities Net cash from financing activities Increase (decrease) in cash and cash equivalents before effect of exchange rate changes Decrease in cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Exchange difference on cash and cash equivalents Disclosure of analysis of single amount of discontinued operations [table] Continuing and discontinued operations [axis] Continuing operations [member] Discontinued operations [member] Discontinued operations This member stands for allosteric modulator drug discovery technology platform and a portfolio of preclinical programs constituting as discontinued operations. Allosteric Modulator Drug Discovery Technology Platform And A Portfolio Of Preclinical Programs, Disposal Group, Discontinued Operations [Member] Discontinued operations as disclosed below Associates [axis] Associates [domain] This member stands for Neurosterix US Holdings LLC. Neurosterix US Holdings LLC [Member] Neurosterix US Holdings LLC Disclosure of analysis of single amount of discontinued operations [line items] Disclosure