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DEFERRED REVENUE (Details)
Dec. 31, 2021
CAD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
CAD ($)
Dec. 31, 2019
CAD ($)
Statement [Line Items]        
Current deferred revenue $ 4,656,000   $ 3,478,000  
Deferred revenue (note 11) 31,852,000   33,139,000  
Total deferred revenue 36,508 $ 36,508 36,617 $ 36,321
Deferred revenue-by balance sheet presentation   $ 36,508 36,617  
CLJV Toll Milling APG        
Statement [Line Items]        
Total deferred revenue $ 36,508   $ 36,617