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INCOME TAXES (Details) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Deferred income tax:    
Origination of temporary differences $ 4,940 $ 4,520
Tax benefit-previously unrecognized tax assets 1,326 3,852
Prior year over (under) provision (890) (78)
Deferred income tax 5,376 8,294
Income tax recovery $ 5,376 $ 8,294