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Note 23 - Financial instruments - Schedule of Financial Instruments at Fair Value (Details) - Recurring fair value measurement [member] - CAD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Level 1 of fair value hierarchy [member] | Financial assets, marketable securities [member]    
Statement Line Items [Line Items]    
Financial assets, at fair value $ 2,358 $ 1,166
Level 1 of fair value hierarchy [member] | Financial assets, other investments [member]    
Statement Line Items [Line Items]    
Financial assets, at fair value 0 $ 0
Level 3 of fair value hierarchy [member] | Financial assets, marketable securities [member]    
Statement Line Items [Line Items]    
Financial assets, at fair value 0  
Level 3 of fair value hierarchy [member] | Financial assets, other investments [member]    
Statement Line Items [Line Items]    
Financial assets, at fair value $ 2,063