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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

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