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Note 3 - Material Accounting Policy Information (Details Textual) - CAD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Statement Line Items [Line Items]    
Cash equivalents $ 0 $ 0
Financial assets at fair value through other comprehensive income 0 $ 0
Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, entity's own equity instruments $ 0  
Computer equipment [member]    
Statement Line Items [Line Items]    
Useful life measured as period of time, property, plant and equipment (Year) 3 years  
Equipment and machinery [member] | Bottom of range [member]    
Statement Line Items [Line Items]    
Useful life measured as period of time, property, plant and equipment (Year) 5 years  
Equipment and machinery [member] | Top of range [member]    
Statement Line Items [Line Items]    
Useful life measured as period of time, property, plant and equipment (Year) 10 years  
Eastmain Mines Inc [member] | CANADA    
Statement Line Items [Line Items]    
Proportion of ownership interest in subsidiary [1] 100.00%  
Eastmain Resources Inc [member] | ONTARIO    
Statement Line Items [Line Items]    
Proportion of ownership interest in subsidiary 100.00%  
Fury Gold USA Limited [member] | DELAWARE    
Statement Line Items [Line Items]    
Proportion of ownership interest in subsidiary [2] 100.00%  
North Country Gold Corp [member] | BRITISH COLUMBIA    
Statement Line Items [Line Items]    
Proportion of ownership interest in subsidiary 100.00%  
[1] The entity is incorporated federally in Canada.
[2] Fury Gold USA provided certain administrative services with respect to employee benefits for US resident personnel.