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SUPPLEMENTAL FINANCIAL INFORMATION (Details 4) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | $ (9,267) | $ (11,262)
Salaries and Short-term Employee Benefits |  |
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | (7,405) | (8,407)
Share-based Compensation |  |
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | (1,827) | (2,222)
Termination Benefits |  |
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | $ (35) | $ (633)

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