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SUPPLEMENTAL FINANCIAL INFORMATION - Operating expenses (Details) - CAD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses $ (11,625) $ (12,901)
Cost of goods sold-mineral concentrates    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (444) 0
Operating Overheads: Mining, other development expense    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (660) (2,630)
Operating Overheads: Milling, conversion expense    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (3,104) (2,697)
Less absorption: Mineral properties    
SUPPLEMENTAL FINANCIAL INFORMATION    
Less absorption on cost of sales 68 46
Less absorption: Milling    
SUPPLEMENTAL FINANCIAL INFORMATION    
Less absorption on cost of sales 0 451
Cost of services-Closed Mines Services    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (7,022) (7,791)
Cost of goods and services sold    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (11,162) (12,621)
Reclamation asset amortization    
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses (199) (280)
Selling expenses    
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses (48) 0
Sales royalties and non-income taxes    
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses $ (216) $ 0