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Note 15 - Income Tax - Schedule of Temporary Tax Differences (Details) - CAD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Statement Line Items [Line Items]    
Unrecognized temporary differences $ 182,835 $ 149,773
Non capital loss carryforwards [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 75,830 51,652
Non capital loss carryforwards [member] | Country of domicile [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 72,286 48,769
Non capital loss carryforwards [member] | Country of domicile [member] | Not later than one year [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 33 31
Non capital loss carryforwards [member] | Country of domicile [member] | Later than one year and not later than two years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 384 361
Non capital loss carryforwards [member] | Country of domicile [member] | Later than two years and not later than three years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 1,532 1,440
Non capital loss carryforwards [member] | Country of domicile [member] | Later than three years and not later than four years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 3,621 3,402
Non capital loss carryforwards [member] | Country of domicile [member] | Later than four years and not later than five years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 15,094 8,340
Non capital loss carryforwards [member] | Country of domicile [member] | Later than five years and not later than six years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 15,554 14,318
Non capital loss carryforwards [member] | Country of domicile [member] | Later than six years and not later than seven years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 23,513 20,877
Non capital loss carryforwards [member] | Country of domicile [member] | Later than seven years and not later than eight years [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 12,555 0
Exploration and evaluation properties [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 21,459 20,630
Property, plant, and equipment [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 43,299 39,973
Capital loss carryforwards [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences 27,994 26,835
Other temporary differences [member]    
Statement Line Items [Line Items]    
Unrecognized temporary differences $ 14,253 $ 10,683