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SUPPLEMENTAL FINANCIAL INFORMATION (Details 2) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | $ (4,236) | $ (4,125)
Interest Income |  |
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | 291 | 594
Interest Expense |  |
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | (4) | (9)
Accretion Expense-Deferred Revenue |  |
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | (3,058) | (3,203)
Accretion Expense-Post-employment Benefits |  |
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | (57) | (70)
Accretion Expense-Reclamation Obligations |  |
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | (1,352) | (1,361)
Accretion Expense-Debt Obligations |  |
DisclosureOfFinanceIncomeExpenseLineItems [Line Items] |  |
Finance income (expense) | $ (56) | $ (76)

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