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POST EMPLOYMENT BENEFITS (Details)
$ in Thousands
Dec. 31, 2021
CAD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2020
USD ($)
Nov. 30, 2020
CAD ($)
Nov. 30, 2019
CAD ($)
Statement [Line Items]          
Current post-employment benefits $ 120 $ 120      
Post-employment benefits (note 12) 1,154 1,241      
Total post-employment benefits 1,274   $ 1,361 $ 1,361 $ 2,258
Defined Benefit Plans1 [Member]          
Statement [Line Items]          
Total post-employment benefits $ 1,274 $ 1,361