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SUPPLEMENTAL FINANCIAL INFORMATION - Depreciation expense (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation $ (3,943) $ (2,564)
Cost of Services    
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation (185) (179)
Mining, other development expense    
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation (2) (2)
Milling, conversion expense    
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation (3,076) (2,053)
Exploration    
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation (266) (180)
Evaluation    
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation (270) (36)
General and administrative    
SUPPLEMENTAL FINANCIAL INFORMATION    
Depreciation $ (144) $ (114)