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INCOME TAXES - Disclosure of detailed information about temporary difference, unused tax losses and unused tax credits (Details) - CAD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Tax loss carryforwards [Member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Unused tax losses for which no deferred tax asset recognized $ 56,145 $ 60,699
Exploration and evaluation assets [Member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deductible temporary differences for which no deferred tax asset is recognized 10,264 4,094
Other [Member]    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deductible temporary differences for which no deferred tax asset is recognized $ 11,954 $ 1,557