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SUPPLEMENTAL FINANCIAL INFORMATION (Details 4) - CAD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | $ (10,091) | $ (9,405)
Salaries and short-term employee benefits |  |
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | (8,236) | (8,079)
Share-based compensation |  |
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | (1,835) | (1,299)
Termination benefits |  |
DisclosureOfEmployeeBenefitPlansLineItems [Line Items] |  |
Employee benefit expense | $ (20) | $ (27)

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