Operating expenses Costs and Expenses Compensation cost not yet recognized Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Related Party Transaction [Line Items] Related Party Transaction [Line Items] Customer trade receivables Trade Accounts Receivable The amount of receivables that are derived from customers. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted Related Party Transaction [Axis] Related Party Transaction [Axis] Interest and other income, net of bank charges Disposal Group, Including Discontinued Operation, Interest And Other Income (Expense) Disposal Group, Including Discontinued Operation, Interest And Other Income (Expense) Schedule of Accounts Payable and Accrued Liabilities Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Inventory purchased, services and other expenses Inventory Purchased, Services and Other Expenses [Member] Inventory Purchased, Services and Other Expenses Machinery and equipment Machinery and Equipment [Member] Additional paid in capital Additional Paid-in Capital [Member] EDC EDC Loan [Member] EDC Loan [Member] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Net cash used in operating activities from continuing operations Net cash used in operating activities from continuing operations Cash Provided by (Used in) Operating Activity, Continuing Operation Loss from investments accounted for by the equity method (note 8) Loss from investments accounted for by the equity method Loss on investments accounted for under the equity method (note 8) Equity loss Income (Loss) from Equity Method Investments Service Service [Member] Repayments of operating lines of credit and long-term facilities Repayments of Long-Term Lines of Credit Net income (loss) per share: Earnings Per Share, Basic [Abstract] Issuance of common shares on exercise of share units Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Upcoming accounting standards not yet adopted New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Net cash provided by investing activities from continuing operations Cash Provided by (Used in) Investing Activity, Continuing Operation Schedule of Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Interest and other income, net of bank charges Interest income, net of bank charges Interest and other income, net of bank charges Interest Income (Expense), Nonoperating Interest on long-term debt Interest on long-term debt Interest Expense, Debt All Currencies [Domain] All Currencies [Domain] Net loss per share - basic (in dollars per share) Earnings Per Share, Basic Award Type [Domain] Award Type [Domain] Related party transactions Related Party Transactions Disclosure [Text Block] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Short-Term Debt [Table] Short-Term Debt [Table] Net cash used in financing activities from continuing operations Cash Provided by (Used in) Financing Activity, Continuing Operation Leasehold improvements Leasehold Improvements [Member] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Long-term debt Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Schedule of Segment Reporting Information Schedule of Segment Reporting Information, by Segment [Table Text Block] From discontinued operations - diluted (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Current portion of provisions Short-Term Debt Inventory Disclosure [Abstract] Schedule of Investments [Line Items] Schedule of Investments [Line Items] Income tax expense Discontinued Operation, Tax Effect of Discontinued Operation Concentration percentage Concentration Risk, Percentage Segment EBITDA Segment Earnings Before Interest Tax Depreciation And Amortization Segment Earnings Before Interest Tax Depreciation And Amortization Stock-based compensation - equity or cash settled Share-Based Payment Arrangement, Expense, Settled In Shares Share-Based Payment Arrangement, Expense, Settled In Shares Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Changes in working capital Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital Units outstanding and exercisable, end of period (in shares) Share Based Compensation Arrangement by Share Based Payment Award Equity Instruments Other than Options Outstanding and Exercisable Number Number of equity instruments other than options outstanding and exercisable, including both vested and non-vested instruments. Accounts and Financing Receivables [Table] Accounts and Financing Receivables [Table] Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Capital contributions to investments accounted for by the equity method (note 8) Capital contributions to investments accounted for by the equity method investment Payments to Acquire Equity Method Investments Total shareholders' equity Balance Balance Equity, Attributable to Parent Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Compensation expense Share-Based Payment Arrangement, Expense Long-term portion of provisions Long-Term Debt and Lease Obligation Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Schedule of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Segment Reporting, Asset Reconciling Item [Line Items] Segment Reporting, Asset Reconciling Item [Line Items] Sales and marketing Selling and Marketing Expense Computer equipment and software Computer Equipment and Software [Member] Current assets: Assets, Current [Abstract] Total liabilities and shareholders' equity Liabilities and Equity Operating expenses, including depreciation and amortization Operating Expenses, Including Depreciation, Amortization and Accretion, Net Operating Expenses, Including Depreciation, Amortization and Accretion, Net Foreign currency translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cash and cash equivalents, beginning of period (including restricted cash) Cash and cash equivalents, end of period (including restricted cash) Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Liabilities and shareholders’ equity Liabilities and Equity [Abstract] Cover [Abstract] Discontinued operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Inventories Increase (Decrease) in Inventories General and administrative General and Administrative Expense [Member] Inventories (note 7) Inventories Inventories Inventory, Net Total consolidated Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Accumulated Depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Operating expenses: Cost of Revenue [Abstract] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Debt Instrument [Line Items] Debt Instrument [Line Items] Maximum potential earnouts Disposal Group, Including Discontinued Operation, Earnouts, Maximum Disposal Group, Including Discontinued Operation, Earnouts, Maximum Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Debt Debt, Long-Term and Short-Term, Combined Amount Contractual obligation, due 1-3 years Contractual Obligation, to be Paid, Year Two and Three Contractual cash flows Contractual Obligations, Repayments, Total Represents the amount of contractual cashflows obligation repayments. Shelf prospectus, effective period Shelf Prospectus, Effective Term Shelf Prospectus, Effective Term Granted (in Canadian dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Non Option Equity Instruments Granted Weighted Average Grant Date Fair Value The weighted average grant date fair value of non option equity instruments granted during the period. Outstanding, beginning of period (in Canadian dollars per share) Outstanding, end of period (in Canadian dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Non Option Equity Instruments Outstanding Weighted Average Grant Date Fair Value Weighted average grant-date fair value of non-option equity instruments outstanding. Held in escrow Disposal Group, Including Discontinued Operation, Held in Escrow Disposal Group, Including Discontinued Operation, Held in Escrow Loss before income taxes Loss before income taxes in continuing operations Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Unlimited common and preferred shares, no par value 17,395,734 (2025 - 17,351,005) common shares issued and outstanding Common Stock, Value, Issued Commitments and contingencies Commitments and Contingencies Disclosure [Text Block] Other long-term liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Revenue Disposal Group, Including Discontinued Operation, Revenue Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Cespira Cespira [Member] Cespira Share units Share units [Member] Commitments and contingencies (note 14) Commitments and Contingencies Statement of Stockholders' Equity [Abstract] Reconciliation of Assets from Segment to Consolidated [Table] Reconciliation of Assets from Segment to Consolidated [Table] Operating Segments Operating Segments [Member] Gross profit Disposal Group, Including Discontinued Operation, Gross Profit (Loss) Contractual obligation, due 4-5 years Contractual Obligation, to be Paid, Year Four and Five Statement of Cash Flows [Abstract] Sales and marketing Selling and Marketing Expense [Member] Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Holdback receivable Holdback Receivables, Net, Current Holdback Receivables, Net, Current Disposal Group Name [Domain] Disposal Group Name [Domain] Net loss from continuing operations Net loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Other receivables Other Receivables Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Secured Debt Term loan facility (note 11) Secured Debt [Member] Schedule of Allocation of the Total Assets Schedule Of Allocation Of The Total Assets [Table Text Block] Tabular disclosure of the total assets allocated the reportable segments. Long-term debt Long-Term Debt [Text Block] Current portion of operating lease liabilities Operating Lease, Liability, Current New accounting pronouncements Accounting Standards Update and Change in Accounting Principle [Text Block] Due to related parties (note 13) Other Notes Payable, Current Document Fiscal Period Focus Document Fiscal Period Focus Net income from discontinued operations (note 5) Net income from discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Units outstanding and exercisable, end of period (in Canadian dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Non Option Equity Instruments Outstanding and Exercisable Weighted Average Grant Date Fair Value Weighted average grant-date fair value of non-option equity instruments outstanding and exercisable. Short-Term Debt [Line Items] Short-Term Debt [Line Items] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date From continuing operations - basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Furniture and fixtures Furniture and Fixtures [Member] Award Type [Axis] Award Type [Axis] Schedule of Share Based Compensation Arrangement by Share Based Payment Award Intrinsic Value Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Intrinsic Value [Table Text Block] Tabular disclosure of the intrinsic value of stock option awards and share units. Carrying amount Contractual Obligation Total assets Total assets Assets Investing activities: Cash Provided by (Used in) Investing Activity, Continuing Operation [Abstract] Investment, Name [Domain] Investment, Name [Domain] Schedule of Investments [Table] Schedule of Investments [Table] Forfeited/expired (in Canadian dollars per share) Share Based Compensation Arrangement by Share Based Payment Award, Non Option Equity Instruments, Forfeitures and Expirations, Weighted Average Grant Date Fair Value Weighted average grant-date fair value of non-option equity instruments cancelled/expired. Geographical [Domain] Geographical [Domain] Interest on long-term debt Interest Expense, Long-Term Debt Issuance of common shares on exercise of share units (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Document Type Document Type Outstanding, beginning of period (in shares) Outstanding, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number Product and Service [Axis] Product and Service [Axis] Average foreign currency exchange rate Average Foreign Currency Exchange Rate Translation1 Average foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. Onerous contract provisions Contract Provision, Noncurrent Contract Provision, Noncurrent Effect of foreign exchange on cash and cash equivalents Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Revenue Revenue from Contract with Customer, Excluding Assessed Tax Concentration Risk Type [Axis] Concentration Risk Type [Axis] Inventories Inventory Disclosure [Text Block] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Purchase of property, plant and equipment (note 15) Payments to Acquire Property, Plant, and Equipment General and administrative Disposal Group, Including Discontinued Operation, General and Administrative Expense Total current assets Assets, Current Net cash provided by operating activities from discontinued operations Cash Provided by (Used in) Operating Activity, Discontinued Operation Disposal Group Classification [Axis] Disposal Group Classification [Axis] Due from related parties (note 13) Receivables Other Receivables, Net, Current Restricted cash Restricted Cash and Cash Equivalent Depreciation and amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Disposal Group Name [Axis] Disposal Group Name [Axis] Exercised Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period, Intrinsic Value Basis of preparation Basis of Accounting [Text Block] Related Party Related Party [Member] Common shares, shares outstanding (in shares) Balance (in shares) Balance (in shares) Common Stock, Shares, Outstanding Income from discontinued operations before income tax Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Current liabilities: Liabilities, Current [Abstract] Weighted average grant date fair value (CDN $) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] Geographical [Axis] Geographical [Axis] Accounts receivable Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Corporate and unallocated operating expenses Operating Expenses Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Taxes payable Accrued Income Taxes, Current Foreign exchange loss (gain) Unrealized foreign exchange loss (gain) Foreign exchange (gain) loss Gain (Loss), Foreign Currency Transaction, before Tax Changes in working capital: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Ownership share of equity method investments' other comprehensive loss OCI, Equity Method Investment, after Tax Related Party Transaction [Table] Related Party Transaction [Table] Net loss per share - diluted (in dollars per share) Earnings Per Share, Diluted Accumulated deficit Retained Earnings [Member] Cespira Sweden AB Cespira Sweden AB [Member] Cespira Sweden AB Accounts receivable (note 6) Accounts receivable Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Number of Units Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Effective rate on debt Debt Instrument, Interest Rate, Effective Percentage Share-Based Payment Arrangement [Abstract] Income Statement [Abstract] Cash and cash equivalents (including restricted cash) Cash and cash equivalents from continuing operations, end of period (including restricted cash) Cash and cash equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Income tax expense Income tax (recovery) expense Income Tax Expense (Benefit) Payables Accounts Payable From discontinued operations - basic (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Schedule of Foreign Currency [Table] Schedule of Foreign Currency [Table] Schedule of Foreign Currency [Table] Intangible assets and goodwill Intangible Assets, Net (Excluding Goodwill) Consolidation Items [Domain] Consolidation Items [Domain] Number of authorized shares, not disclosed Number Of Authorized Shares, Not Disclosed Number Of Authorized Shares, Not Disclosed Product and Service [Domain] Product and Service [Domain] Investments, Debt and Equity Securities [Abstract] Operating expenses: Disposal Group, Including Discontinued Operation, Operating Expenses [Abstract] Disposal Group, Including Discontinued Operation, Operating Expenses Prepaid expenses Increase (Decrease) in Prepaid Expense Cash, cash equivalents and short-term investments Cash, Cash Equivalents, and Short-Term Investments Cost Property, Plant and Equipment, Gross Long-term investments Equity Method Investments and Joint Ventures Disclosure [Text Block] From continuing operations - diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Gross profit Gross Profit Contractual obligation, due less than 1 year Contractual Obligation, to be Paid, Year One Prepaid expenses Prepaid Expense Heavy-Duty OEM Heavy-Duty OEM [Member] Heavy-Duty OEM Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities [Member] Financial Instruments Disclosure [Abstract] Taxes paid, net of refunds Income Taxes Paid, Net Commitments and Contingencies Disclosure [Abstract] Net cash used in investing activities from discontinued operations Cash Provided by (Used in) Investing Activity, Discontinued Operation Schedule of Inventories Schedule of Inventory, Current [Table Text Block] General and administrative General and Administrative Expense Revenue, Product and Service Benchmark Revenue, Product and Service Benchmark [Member] Accrued payroll Employee-related Liabilities, Current Property, plant and equipment Property, Plant and Equipment Disclosure [Text Block] Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised Long-term investments (note 8) Long-term investments Long-Term Investments Related Party Transactions [Abstract] Foreign exchange loss Disposal Group, Including Discontinued Operation, Foreign Exchange Gain (Loss) Disposal Group, Including Discontinued Operation, Foreign Exchange Gain (Loss) Net loss for the period Net loss for the period Net Income (Loss) Attributable to Parent Research and development Disposal Group, Including Discontinued Operation, Research And Development Expense Disposal Group, Including Discontinued Operation, Research And Development Expense Purchased parts Other Inventory, Purchased Goods, Gross Equity Method Investment, Nonconsolidated Investee [Domain] Equity Method Investment, Nonconsolidated Investee [Domain] Transaction amount Related Party Transaction, Amounts of Transaction Shareholders’ equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Interest on long-term debt Disposal Group, Including Discontinued Operation, Interest Expense Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Schedule of Long-Term Investments Equity Method Investments [Table Text Block] Property, plant and equipment (note 9) Property, plant and equipment and right-of-use assets Net Book Value Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Geographic Concentration Risk Geographic Concentration Risk [Member] Company organization and operations Nature of Operations [Text Block] Net cash used in financing activities from discontinued operations Cash Provided by (Used in) Financing Activity, Discontinued Operation Accounts receivable Increase (Decrease) in Accounts Receivable Product Product [Member] Asia Asia [Member] Number of reportable segments Number of Reportable Segments Consolidation, Eliminations Consolidation, Eliminations [Member] Receivables [Abstract] Financing activities: Cash Provided by (Used in) Financing Activity, Continuing Operation [Abstract] Cespira Joint Venture Cespira Joint Venture [Member] Cespira Joint Venture Sales and marketing Disposal Group, Including Discontinued Operation, Selling And Marketing Expense Disposal Group, Including Discontinued Operation, Selling And Marketing Expense Supplementary information Supplemental Cash Flow Information [Abstract] Loss from continuing operations Operating income (loss) Operating Income (Loss) Warranty liability Increase (Decrease) In Warranty Liability Increase (Decrease) In Warranty Liability Accumulated deficit Retained Earnings (Accumulated Deficit) Contractual Obligation, Fiscal Year Maturity Schedule Contractual Obligation, Fiscal Year Maturity [Table Text Block] Cumulative translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Euro Euro Member Countries, Euro Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Adjustments to reconcile net income (loss) to net cash used in continuing operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Noncash Item [Abstract] Statement of Financial Position [Abstract] Total current liabilities Liabilities, Current Canadian Dollar Canada, Dollars Light-Duty Light-Duty [Member] Light-Duty Income from investment accounted for by the equity method Disposal Group, Including Discontinued Operation, Income (Loss) From Equity Method Investments Disposal Group, Including Discontinued Operation, Income (Loss) From Equity Method Investments Current Fiscal Year End Date Current Fiscal Year End Date Foreign current exchange rate at period end Foreign Currency Exchange Rate, Translation Research and development Research and Development Expense [Member] Additional paid in capital Additional Paid in Capital, Common Stock Other equity instruments Equity Securities Other One [Member] Schedule of Accounts Receivable Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Payables and Accruals [Abstract] Statement [Table] Statement [Table] Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activity Net cash used before working capital changes Cash Provided by (Used in) Operating Activities, Before Working Capital Changes Cash Provided by (Used in) Operating Activities, Before Working Capital Changes Deferred income tax (recovery) Deferred Income Tax Expense (Benefit) Document Fiscal Year Focus Document Fiscal Year Focus Basis of presentation Basis of Accounting, Policy [Policy Text Block] Liquidity and going concern Substantial Doubt about Going Concern [Text Block] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Operating expenses Disposal Group, Including Discontinued Operation, Operating Expense Warranty liability Product Warranty Accrual, Noncurrent Sales of goods, services, and other income Sales of Goods, Services and Other Income [Member] Sales of Goods, Services and Other Income Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Axis] Operating activities: Cash Provided by (Used in) Operating Activity, Continuing Operation [Abstract] Exercised (in Canadian dollars per share) Share Based Compensation Arrangement by Share Based Payment Award Non Option Equity Instruments Exercised Weighted Average Grant Date Fair Value Weighted average grant-date fair value of non-option equity instruments exercised. Compensation cost not yet recognized, period for recognition (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Maximum proceeds from issuance of prospectus equity Maximum Proceeds from Issuance of Prospectus Equity Maximum Proceeds from Issuance of Prospectus Equity Schedule of Geographical Revenue Information Schedule Of Geographical Revenue Information [Table Text Block] Tabular disclosure for the company to provide geographical revenue information by individual countries. Weighted average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Share capital (note 12): Equity [Abstract] Accounts payable and accrued liabilities (note 10) Accounts payable Total accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Amendment Flag Amendment Flag Exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Segment information Segment Reporting Disclosure [Text Block] Other Commitments [Table] Other Commitments [Table] Current portion of long-term debt (note 11) Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Debt and capital lease obligations Debt and Lease Obligation Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Other Commitments [Line Items] Other Commitments [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net assets Net Assets Schedule of Share-based Compensation, Stock Options, Activity Share-Based Payment Arrangement, Option, Activity [Table Text Block] Cost of revenue Disposal Group, Including Discontinued Operation, Costs of Goods Sold Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Contractual Obligations Type [Axis] Contractual Obligations Type [Axis] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Change in inventory write-downs Inventory write-down to net realizable value Inventory Write-down Cost of revenue Cost of Product and Service Sold Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Foreign Currency [Line Items] Schedule of Foreign Currency [Line Items] Schedule of Foreign Currency [Line Items] Change in bad debt expense Change in Bad Debt Expense Change in Bad Debt Expense Related Party Transaction [Domain] Related Party Transaction [Domain] Segment Reporting [Abstract] Depreciation and amortization Add back: Depreciation and amortization Depreciation, Depletion and Amortization Cost of revenue Cost of Revenue Other long-term assets Other Assets, Noncurrent Entity Central Index Key Entity Central Index Key Debt Disclosure [Abstract] High-Pressure Controls High-Pressure Controls [Member] High-Pressure Controls Finished goods Inventory, Finished Goods, Gross Trade accounts payable Accounts Payable, Trade, Current Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Deferred revenue Contract with Customer, Liability, Current Financial instruments Financial Instruments Disclosure [Text Block] Common shares, shares issued (in shares) Common Stock, Shares, Issued Segments [Axis] Segments [Axis] Stock-based compensation - cash settled only Share-Based Payment Arrangement, Expense, Settled In Cash Share-Based Payment Arrangement, Expense, Settled In Cash Proceeds from holdback receivable (note 6) Proceeds From Holdback Receivable Proceeds From Holdback Receivable Current portion of warranty liability Product Warranty Accrual, Current Europe Europe [Member] Share capital, stock options and other stock-based plans Share-Based Payment Arrangement [Text Block] Contractual Obligations Type [Domain] Contractual Obligations Type [Domain] RMB China, Yuan Renminbi Consideration for sale of segment Disposal Group, Including Discontinued Operation, Consideration Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Corporate Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Debt Instrument [Axis] Debt Instrument [Axis] Minimum cash requirement Debt Instrument, Covenant, Minimum Cash Requirement Debt Instrument, Covenant, Minimum Cash Requirement Less: cash and cash equivalents from discontinued operations, end of period (including restricted cash) Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation Credit Facility [Domain] Credit Facility [Domain] Operating lease obligations Operating Lease Expenses [Member] Total liabilities Liabilities Currency [Axis] Currency [Axis] Other equity instruments Other Equity Instrument Represents the value assigned to issued Units and the amounts accrued are recorded as other equity instruments. As Units are exercised and the underlying shares are issued from the treasury of the Company, the value is reclassified to share capital. Research and development Research and Development Expense Forfeited/expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Forfeitures and Expirations Accumulated other comprehensive loss AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Allowance for expected credit losses Accounts Receivable, Allowance for Credit Loss, Current Income from discontinued operations Disposal Group, Including Discontinued Operation, Operating Income (Loss) Long-term operating lease liabilities Operating Lease, Liability, Noncurrent Prepaid expenses Prepaid Expense, Current Other current liabilities Other Liabilities, Current Work-in-process Inventory, Work in Process, Gross Americas Americas [Member] Schedule of Foreign Currency Exchange Rate Translation Schedule Of Foreign Currency Exchange Rate Translation [Table Text Block] Schedule Of Foreign Currency Exchange Rate Translation Statement [Line Items] Statement [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Depreciation and amortization Depreciation, Amortization and Accretion, Net Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Common stock Common Stock Common Stock [Member] Cespira Canada LP Cespira Canada LP [Member] Cespira Canada LP Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Net 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