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SUPPLEMENTAL FINANCIAL INFORMATION (Details 6) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
DisclosureOfNonCashWorkingCapitalLineItems [Line Items] |  |
Change in non-cash working capital items | $ (307) | $ 2,256
Trade and Other Receivables |  |
DisclosureOfNonCashWorkingCapitalLineItems [Line Items] |  |
Change in non-cash working capital items | 649 | (201)
Inventory |  |
DisclosureOfNonCashWorkingCapitalLineItems [Line Items] |  |
Change in non-cash working capital items | 220 | 232
Prepaid Expenses and Other Assets |  |
DisclosureOfNonCashWorkingCapitalLineItems [Line Items] |  |
Change in non-cash working capital items | (422) | (160)
Accounts Payable and Accrued Liabilities |  |
DisclosureOfNonCashWorkingCapitalLineItems [Line Items] |  |
Change in non-cash working capital items | $ (754) | $ 2,385

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