Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Significant accounting policies Significant Accounting Policies [Text Block] Government contributions Government Assistance [Text Block] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Restricted cash Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Shares issued and restricted stock units (“RSUs”) vested under stock option plan Stock Issued And Restricted Stock Units Vested During Period Value Stock Options Exercised Stock issued and Restricted Stock Units vested during period value stock options exercised. Tabular List, Table Tabular List [Table Text Block] Prepaid expenses and other Prepaid Expense And Other Current Prepaid Expense And Other Current Basic loss per share Earnings Per Share, Basic [Abstract] Recent accounting pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Accounts and accrued receivable Accounts And Accrued Receivable Current Accounts and accrued receivable, current. Government Assistance [Table] Government Assistance [Table] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial paper Commercial Paper [Member] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Number of shares available for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Revenue Revenue from Contract with Customer [Text Block] 2020 Share Option and Incentive Plan Two Thousand Twenty Share Option And Incentive Plan [Member] 2020 Share option and incentive plan. Property and equipment in accounts payable Non Cash Or Part Non Cash Acquisition Property And Equipment Purchases In Accounts Payable Non cash or part non cash acquisition property and equipment purchases in accounts payable. Adjustment to Compensation, Amount Adjustment to Compensation Amount Deferred grant income Increase Decrease In Deferred Grant Income Increase decrease in deferred grant income. Other assets Increase (Decrease) in Other Operating Assets Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Loan receivable Financing Receivable, after Allowance for Credit Loss Total shareholders' equity Beginning balances Ending balances Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Stock-based compensation expense Share-Based Payment Arrangement, Expense Schedule of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current assets: Assets, Current [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period Total liabilities and shareholders' equity Liabilities and Equity Cash and cash equivalents and restricted cash, beginning of period Cash and cash equivalents and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Liabilities and shareholders' equity Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Weighted- Average Exercise Price, Options exercisable (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Schedule Of Equity Method Investments [Table] Equity Method Investment [Table] Accounting Policies [Abstract] Accounting Policies [Abstract] Finite lived intangible assets amortization expense Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] U.S. government agencies US Government Agencies Debt Securities [Member] Lease liability Operating Lease, Liability Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss before income tax Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other long-term liabilities Other Liabilities, Noncurrent Deferred revenue Increase (Decrease) in Deferred Revenue Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Less: accumulated depreciation Property, Plant and Equipment and Operating Lease Right of Use Assets, Accumulated Depreciation and Amortization Property, Plant and Equipment and Operating Lease Right of Use Assets, Accumulated Depreciation and Amortization Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Schedule of Other Current Assets Schedule of Other Current Assets [Table Text Block] Conditionally Repayable Conditionally Repayable [Member] Conditionally Repayable Name Measure Name Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Current portion of operating lease liability Operating Lease, Liability, Current Accounts Receivable, Long-Term Government Assistance, Asset, Noncurrent Deferred Government Contribution, Current Government Assistance, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Award Type [Axis] Award Type [Axis] Fixed rate mortgage Long-Term Debt Total assets Assets Investment, Name [Domain] Investment, Name [Domain] 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Vested and settled (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Government assistance, number of times repayable grant Government Assistance, Number of Times Repayable Grant Government Assistance, Number of Times Repayable Grant Geographical [Domain] Geographical [Domain] Entity Address, City or Town Entity Address, City or Town Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Intangible assets Intangible Assets Disclosure [Text Block] Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Restricted Share Units (RSUs) Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Beedie JV Beedie Joint Venture [Member] Beedie joint venture. 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Repayment period Government Assistance, Payment Period Government Assistance, Payment Period Level 2 Fair Value, Inputs, Level 2 [Member] Equity investment balance, contributions made in joint venture Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Repayable Repayable [Member] Repayable Current portion of deferred government contribution Deferred Grant Funding Current Deferred grant funding current. Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Interest and other Investment Income, Interest Equity method investment commitment amount Equity Method Investment Commitment Amount Equity Method Investment Commitment Amount Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Accumulated Earnings (Deficit) Retained Earnings [Member] Non-cash investing activities Government Assistance, Non-cash Investing Activities Government Assistance, Non-cash Investing Activities Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Total cash, cash equivalents, and restricted cash shown on the balance sheet Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax recovery Income Tax Expense (Benefit) Purchase of marketable securities Payments to Acquire Marketable Securities Intangible assets, net Net book value Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Right-of-use assets obtained in exchange for operating lease obligation Noncash Or Part Noncash Acquisition Right Of Use Assets Obtained In Exchange For Operating Lease Obligation Noncash or Part Noncash Acquisition Right-of-use assets obtained in exchange for operating lease obligation. Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Property and equipment, gross Property, Plant and Equipment, Gross Total cash, cash equivalents, and marketable securities Cash, Cash Equivalents, and Short-Term Investments Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Amortization of operating lease right-of-use assets Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Building and building improvements Building and Building Improvements [Member] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Non-cash financing activities Government Assistance, Non-cash Financing Activities Government Assistance, Non-cash Financing Activities Schedule of Deferred Revenue Outstanding Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments and Joint Ventures [Abstract] Sales, general, and administrative expenses Selling, General and Administrative Expenses [Member] Schedule Of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Depreciation of property and equipment Depreciation expense on property and equipment Depreciation Equity Components [Axis] Equity Components [Axis] Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Nature of operations Nature of Operations [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Equipment Equipment [Member] Other Performance Measure, Amount Other Performance Measure, Amount Weighted- Average Exercise Price  Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Entity Address, State or Province Entity Address, State or Province Total current liabilities Liabilities, Current Individual: Individual [Axis] Other current assets Total other current assets Other Assets, Current Research and development expenses Research and Development Expense [Member] Additional paid-in capital Additional Paid in Capital, Common Stock Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Investments in equity accounted investees Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Document Fiscal Year Focus Document Fiscal Year Focus Basis of presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Shareholders' equity Shareholders' Equity and Share-Based Payments [Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Entity Interactive Data Current Entity Interactive Data Current Government Assistance, Type [Axis] Government Assistance, Type [Axis] Plan Name [Domain] Plan Name [Domain] Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Number of Shares Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Government Assistance, Transaction [Axis] Government Assistance, Transaction [Axis] Government Assistance, Transaction Amortization of intangible assets Amortization of Intangible Assets Sales, general, and administrative Selling, General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization Other long-term assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Arrangement Duration Trading Arrangement Duration Government Assistance, Transaction [Domain] Government Assistance, Transaction [Domain] Government Assistance, Transaction [Domain] Financial instruments Financial Instruments Disclosure [Text Block] Deferred revenue Contract with Customer, Liability, Current Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Common stock, no par value (in dollars per share) Common Stock, No Par Value Assets Assets [Abstract] Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Debt Instrument [Axis] Debt Instrument [Axis] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Gross carrying amount Finite-Lived Intangible Assets, Gross Shareholders' equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Daylu JV Loan Daylu JV Loan [Member] Daylu JV Loan Entity Address, Address Line One Entity Address, Address Line One Research and development Research and Development Expense Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Operating lease liability Operating Lease, Liability, Noncurrent Litigation settlement receivable Litigation Settlement, Receivable Litigation Settlement, Receivable Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Deferred government contributions Deferred Government Contributions, Long-Term Government Assistance, Liability, Noncurrent Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Research fees Research Fees [Member] Research fees. Receipt of grant funding Proceeds From Receipt Of Grant Funding Proceeds from receipt of grant funding. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Document Quarterly Report Document Quarterly Report Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Proceeds from long-term liabilities and other Proceeds from Long-term Liabilities and Stock Options Exercised Proceeds from Long-term Liabilities and Stock Options Exercised Long term assets Equity Securities without Readily Determinable Fair Value, Amount Investments, All Other Investments [Abstract] Investments, All Other Investments [Abstract] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of Current Accounts Payable and Other Current Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Funding commitment received Government Assistance, Award Amount, Other Expenses Government Assistance, Award Amount, Other Expenses Non-PEO NEO Non-PEO NEO [Member] Land Land [Member] Name Trading Arrangement, Individual Name Award Type [Domain] Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Non-repayable Non-Repayable [Member] Non-Repayable Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Certificate of deposit Certificates of Deposit [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Contract with customer liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Shares issued and restricted stock units ("RSUs") vested under stock option plan (in shares) Stock Issued And Restricted Stock Units Vested During Period Shares Stock Options Exercised Stock issued and Restricted Stock Units vested during period shares stock options exercised. MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Revenue: Revenues [Abstract] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Financial Instruments [Domain] Financial Instruments [Domain] Property and equipment Property, Plant and Equipment and Operating Lease Right of Use Assets, before Accumulated Depreciation and Amortization Property, Plant and Equipment and Operating Lease Right of Use Assets, before Accumulated Depreciation and Amortization Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Total long-term assets Assets, Noncurrent Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Materials and supplies Inventory, Net Government Assistance [Line Items] Government Assistance [Line Items] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Long-term assets: Assets, Noncurrent [Abstract] Accrued grants receivable Government Assistance, Accrued Grants Receivable, Amount Government Assistance, Accrued Grants Receivable, Amount Company Selected Measure Name Company Selected Measure Name Government assistance, award amount, undrawn grant funding Government Assistance, Award Amount, Unused Borrowing Capacity Government Assistance, Award Amount, Unused Borrowing Capacity Schedule of Estimated Amortization Expense on Intangible Assets Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts Receivable Government Assistance, Asset Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net loss Net Income (Loss) Available to Common Stockholders, Diluted All Executive Categories All Executive Categories [Member] Common shares: no par value, unlimited authorized shares at December 31, 2025 and March 31, 2026: 300,600,710 and 303,945,581 shares issued and outstanding at December 31, 2025 and March 31, 2026, respectively Common Stock, Value, Issued Amortization Expense Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract] Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted-average common shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Entity Small Business Entity Small Business Deferred Government Contribution Government Assistance, Liability Document Transition Report Document Transition Report Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Equity method investments, ownership percent Equity Method Investment, Ownership Percentage Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Property and equipment, net Property and equipment, net Property, Plant and Equipment and Operating Lease Right of Use Assets, after Accumulated Depreciation and Amortization Property, Plant and Equipment and Operating Lease Right of Use Assets, after Accumulated Depreciation and Amortization Diluted loss per share Earnings Per Share, Diluted [Abstract] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Document Type Document Type Net loss per share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Accounts payable and other current liabilities Total accounts payable and other current liabilities Accounts Payable and Other Accrued Liabilities, Current Product and Service [Axis] Product and Service [Axis] Expenditures incurred Government Assistance, Operating Expense, Decrease (Increase) Total revenue Revenue from Contract with Customer, Excluding Assessed Tax All Individuals All Individuals [Member] Research fees and grants receivable Increase (Decrease) in Receivables Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Name Forgone Recovery, Individual Name Total current assets Assets, Current Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Other Government Grants Other Government Grants [Member] Other Government Grants Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Other current assets and liabilities Current Assets And Liabilities [Text Block] Current Assets And Liabilities License License Based Intangible Assets [Member] License based intangible assets. Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Common Stock, Shares Authorized, Unlimited [Fixed List] Common Stock, Shares Authorized, Unlimited [Fixed List] Net loss Net Income (Loss) Available to Common Stockholders, Basic Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Term of securities (in years) Debt Securities, Available-for-Sale, Term Schedule Of Finite Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Accounts Receivable, Current Government Assistance, Asset, Current Current liabilities: Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Grants and incentives Grants And Incentives Grants and Incentives. Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Beginning balances (in shares) Ending balances (in shares) Shares, Outstanding Diluted (in dollars per share) Net loss per share - diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Title of 12(b) Security Title of 12(b) Security Supplemental disclosure of non-cash investing and financing activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] British Columbia BRITISH COLUMBIA Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Net loss per share Earnings Per Share [Abstract] Number of joint ventures Number Of Joint Ventures Number of joint ventures. Basis of presentation Business Description and Basis of Presentation [Text Block] Total other income Nonoperating Income (Expense) Government Assistance [Abstract] Investments in equity accounted investees, and other assets Equity Method Investments and Joint Ventures Disclosure [Text Block] Government Assistance, Type [Domain] Government Assistance, Type [Domain] Schedule of Government Assistance Government Assistance [Table Text Block] Government Assistance Corporate bonds Corporate Bond Securities [Member] Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Government Contribution 1 Transaction One [Member] Transaction One 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Payroll liabilities Employee-related Liabilities, Current Property and equipment, net Property, Plant and Equipment Disclosure [Text Block] Net loss Net loss Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Long-term liabilities: Liabilities, Noncurrent [Abstract] 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Five Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag Government Assistance Statement Of Income Or Comprehensive Income Extensible Enumeration Not Disclosed Flag Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Loss from operations Operating Income (Loss) Accumulated deficit Retained Earnings (Accumulated Deficit) Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Technology Technology-Based Intangible Assets [Member] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Dayhu JV Dayhu Joint Venture [Member] Dayhu joint venture. Payables and Accruals [Abstract] Payables and Accruals [Abstract] Weighted- Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Statement [Table] Statement [Table] Cash flows from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Loans receivable from JV partners Receivables, Net, Current Deferred revenue Contract with Customer, Liability Proceeds from marketable securities Proceeds from Sale and Maturity of Marketable Securities Licensing and royalty revenue Licensing and Royalty Revenue [Member] Licensing and Royalty Revenue Total potential common shares excluded (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Weighted-average common shares outstanding Weighted Average Number of Shares Outstanding, Diluted [Abstract] All Adjustments to Compensation All Adjustments to Compensation [Member] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Termination Date Trading Arrangement Termination Date Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Pre-IPO Plan Pre Initial Public Offering Plan [Member] Pre-initial public offering plan. Schedule of Stock Option Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Schedule of Financial Assets Measured at Fair Value on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Basic (in shares) Weighted-average common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Basic and Diluted Net Loss Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Restricted cash included in other assets Restricted Cash and Cash Equivalent, Noncurrent Options exercisable (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Lease expense Operating Lease, Expense Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Other income: Nonoperating Income (Expense) [Abstract] Government Contribution 2 Transaction Two [Member] Transaction Two Outstanding, beginning balance (in dollars per share) Outstanding, ending balance (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Long-term investments and other assets Payments To Acquire (Proceeds from) Long Term Investments And Other Assets Payments To Acquire (Proceeds from) Long Term Investments And Other Assets Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, shares issued (in shares) Common Stock, Shares, Issued Taxes receivable Income Taxes Receivable, Current Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Proceeds from legal settlements Proceeds from Legal Settlements Use of estimates Use of Estimates, Policy [Policy Text Block] Trading Arrangement: Trading Arrangement [Axis] Income taxes payable Increase (Decrease) in Income Taxes Payable Total Shareholder Return Amount Total Shareholder Return Amount Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Forfeited (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Total long-term liabilities Liabilities, Noncurrent Total liabilities Liabilities Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Operating expenses: Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Statement [Line Items] Statement [Line Items] Asset backed securities Asset-Backed Securities [Member] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Schedule of Restricted Share Units Activity Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Common Shares Common Stock [Member] Vested and settled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Marketable securities Debt Securities, Available-for-Sale Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Increase (decrease) in cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation