Cover [Abstract] Document Information [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Class A Common Stock [Member] Common Class B [Member] Class B Common Stock [Member] Series A Preferred Stock [Member] Document Information [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Trading Symbol Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Shell Company Entity Emerging Growth Company Entity Interactive Data Current Title of 12(b) Security Security Exchange Name Entity Address, Country Document Annual Report Document Transition Report Document Shell Company Report Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Additional Paid in Capital, Common Stock Additional paid-in capital Assets Total assets Assets, Current [Abstract] Current assets: Accounts and Other Receivables, Net, Current Accounts receivable and other receivables Total Assets, Current Total current assets Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Cash and cash equivalents, beginning of year Cash and cash equivalents, end of year Inventory, Net Inventories Total inventory Prepaid Expense and Other Assets, Current Prepaids and other current assets Assets, Noncurrent Total non-current assets Intangible Assets, Net (Excluding Goodwill) Intangible assets and other assets Liabilities and Equity Total liabilities and stockholders' equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable, Current Accounts payable Accrued Liabilities, Current Accrued liabilities Liabilities, Current Total current liabilities Line of Credit, Current Bank indebtedness Long-term Debt and Capital Lease Obligations, Current Current portion of long-term debt Operating Lease, Liability, Current Current portion of operating lease liabilities Less: current portion of lease liabilities Liabilities, Noncurrent Total long-term liabilities Long-term Debt, Excluding Current Maturities Long-term debt Other Liabilities, Noncurrent Other long-term liabilities Property, Plant and Equipment, Net Property and equipment Property and equipment, Net Retained Earnings (Accumulated Deficit) Accumulated deficit Reclassification of deferred gain on lease backs to retained earnings Stockholders' Equity Attributable to Parent Total stockholders' equity Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Common Stock, Value, Issued Common stock Balance as of beginning balance Balance as of ending balance Preferred Stock, Value, Issued Preferred stock - no par value, unlimited shares authorized, none issued Accounts Receivable, Net, Noncurrent Long-term receivables Operating Lease, Right-of-Use Asset Operating lease right-of-use asset Operating Lease, Liability, Noncurrent Long-term portion of operating lease liabilities Long-term lease liabilities Common Stock, Par or Stated Value Per Share Common stock, par value Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Ending Balance, Shares Beginning Balance, Shares Preferred Stock, Par or Stated Value Per Share Preferred stock, par value Preferred shares par value Preferred Stock, Shares Issued Preferred stock, shares issued Income Statement [Abstract] Cost of Revenue Cost of sales Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Earnings Per Share [Abstract] Net (loss) income per common share: Earnings Per Share, Basic Basic (Loss) income per common share Earnings Per Share, Diluted Diluted Diluted (loss) income per common share Gross Profit Gross profit Gross profit Impairment of Long-Lived Assets Held-for-use Impairment of long-lived assets Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net loss from continuing operations Net (loss) income from continuing operations Net (loss) income from continuing operations Net loss from continuing operations Net loss Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Discontinued operations: Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Gain on disposal of discontinued operations Gain on disposal, net of taxes Gain on disposal, net of taxes of nil Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Loss from discontinued operations, net of tax (Loss) income from discontinued operations, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net (loss) income from discontinued operations, net of tax Net (loss) income from discontinued operations Net (loss) income from discontinued operations, Income Tax Expense (Benefit) Income taxes (benefits) Income tax expense Interest And Other Financing Costs Interest and other financial costs Interest and other financing costs. Net Income (Loss) Attributable to Parent Net (loss) income Net (loss) income Net income (loss) Net (loss) income attributable to owners of the Company Net Income Loss Net Loss Income from Continuing Operations Per Common Share [Abstract] Net (loss) from continuing operations per common share: Net loss income from continuing operations per common share. Income (Loss) from Continuing Operations, Per Basic Share Basic Loss per common share Income (Loss) from Continuing Operations, Per Diluted Share Diluted Diluted loss per common share Operating Expenses Total operating expenses Operating Income (Loss) Operating loss Restructuring Charges Restructuring charges Selling, General and Administrative Expense Selling, general and administrative expenses Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Diluted Diluted Weighted-average common shares outstanding - diluted Weighted Average Number of Shares Outstanding, Basic Basic Weighted-average common shares outstanding Revenues Net sales Revenues Net sales, total Statement of Comprehensive Income [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent Total other comprehensive(loss) income Total comprehensive income (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Other comprehensive (loss) income: Foreign currency translation adjustments Cumulative translation adjustment Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Retained Earnings [Member] Accumulated Deficit [Member] Voting Common Stock [Member] Voting Common Stock [Member] Voting Common Stock [Member] Common Stock Shares Outstanding [Member] Voting Common Stock Outstanding [Member] Common Stock Shares Outstanding [Member] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Member] Re-classification to Net income from discontinued operations Re-classification to Net income from discontinued operations Re-classification to Net income from discontinued operations. Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Compensation expense resulting from stock options and stock appreciation rights granted to Management Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of stock options, Shares Exercised Adjustments to Additional Paid in Capital, Other Cumulative effect of adjustment from adoption Of a new accounting standard Accounting Standards Update [Axis] Accounting Standards Update [Axis] Accounting Standards Update [Domain] Accounting Standards Update [Domain] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] Investment Company, Capital Share Transactions [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and cash equivalents Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash transactions: Noncash or Part Noncash Acquisition, Fixed Assets Acquired Property and equipment additions acquired through capital leases Property and equipment and intangible asset additions included in accounts payable and accrued liabilities Property and equipment and intangible assets additions included in accounts payable and accrued liabilities Property and equipment and intangible asset additions included in accounts payable and accrued liabilities. Cash Provided by (Used in) Investing Activities, Discontinued Operations Net cash (used in) provided by investing activities from discontinued operations Effect of Exchange Rate on Cash and Cash Equivalents Effect of exchange rate on cash Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows provided by (used in) financing activities: Cash Provided by (Used in) Financing Activities, Discontinued Operations Net cash used in financing activities from discontinued operations Net Cash Provided by (Used in) Financing Activities Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash provided by (used in) financing activities from continuing operations Payments of Loan Costs Payment of loan origination fees and costs Proceeds from Issuance of Long-term Debt Increase in long-term debt Proceeds from Long-term Capital Lease Obligations Proceeds from capital lease funding Proceeds from (Payments for) Other Financing Activities Other financing activities Proceeds from (Repayments of) Lines of Credit Increase (decrease) in bank indebtedness Proceeds from shareholder Advance from shareholder Proceeds from shareholder. Repayments of Long-term Capital Lease Obligations Repayment of obligations under finance lease in 2020, capital leases 2019 and 2018 Repayments of Long-term Debt Repayment of long-term debt Leasehold Inducements Received Leasehold inducements received Leasehold inducements received Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows (used in) provided by investing activities: Payments to Acquire intangible assets and other assets Additions to intangible assets and other assets Payments to Acquire intangible assets and other assets. Payments to Acquire Property, Plant, and Equipment Additions to property and equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities from continuing operations Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows (used in) from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities: Amortization of Debt Issuance Costs and Discounts Amortization of debt costs Impairment Of Long Lived Assets Impairment of long-lived assets Impairment of long lived assets. Other Operating Activities, Cash Flow Statement Other operating activities, net Operating Lease, Right-of-Use Asset, Amortization Expense Amortization of operating lease right of use asset Depreciation And Amortizations Depreciation and amortization Depreciation and amortization. Increase (Decrease) in Operating Assets [Abstract] (Increase) decrease in: Increase Decrease in Accounts Receivable Other Receivables And Long Term Receivables Accounts receivable, other receivables and long-term receivables Increase (decrease) in accounts receivable other receivables and long term receivables. Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepaids and other current assets Increase (Decrease) in Operating Liabilities [Abstract] Increase (decrease) in: Cash Provided by (Used in) Operating Activities, Discontinued Operations Net cash (used in) provided by operating activities from discontinued operations Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued liabilities and other long-term liabilities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash (used in) provided by operating activities from continuing operations Net cash (used in) provided by operating activities from continuing operations Net Cash Provided by (Used in) Operating Activities Net cash provided by (used in) operating activities Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information: Interest Paid, Excluding Capitalized Interest, Operating Activities Interest paid Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of presentation Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Significant accounting policies Receivables [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Accounts receivable and other receivables Inventory Disclosure [Abstract] Inventory Disclosure [Text Block] Inventories Property, Plant and Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Property and equipment Debt Disclosure [Abstract] Debt Disclosure [Text Block] Bank indebtedness Long-term Debt [Text Block] Long-term debt Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Benefit plans and stock-based compensation Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income taxes Equity [Abstract] Stockholders' Equity Note Disclosure [Text Block] Capital stock Restructuring and Related Activities [Abstract] Restructuring, Impairment, and Other Activities Disclosure [Text Block] Restructuring Charges Leases [Abstract] Leases [Abstract] Disclosure Of LeasesLessee Operating Leases and Finance Leases [Text Block] Disclosure of leases,lessee operating leases and finance leases [Text Block]. Commitments and Contingencies Disclosure [Abstract] Contingencies Disclosure [Text Block] Contingencies Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segmented information Related Party Transactions [Abstract] Related Party Transactions Disclosure [Text Block] Related party transactions Investments, All Other Investments [Abstract] Financial Instruments Disclosure [Text Block] Financial instruments Discontinued Operations and Disposal Groups [Abstract] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Discontinued operations Subsequent Events [Abstract]