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SUPPLEMENTAL FINANCIAL INFORMATION - Operating expenses (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses $ (3,898) $ (5,352)
Cost of goods sold-mineral concentrates    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold 0 (444)
Operating overheads: Mining, other development expense    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (261) (660)
Operating overheads: Milling, conversion expense    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (2,463) (3,104)
Less absorption: Mineral properties    
SUPPLEMENTAL FINANCIAL INFORMATION    
Less absorption on cost of sales 0 68
Less absorption: Milling    
SUPPLEMENTAL FINANCIAL INFORMATION    
Less absorption on cost of sales 0 0
Other costs    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (986) (749)
Cost of goods and services sold    
SUPPLEMENTAL FINANCIAL INFORMATION    
Cost of goods and services sold (3,710) (4,889)
Reclamation asset amortization    
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses (188) (199)
Selling expenses    
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses 0 (48)
Sales royalties and non-income taxes    
SUPPLEMENTAL FINANCIAL INFORMATION    
Operating expenses $ 0 $ (216)