v3.25.4
Note 9 - Long-term Investments - Changes in Long-term Investments (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Nov. 30, 2023
Statement Line Items [Line Items]      
Investment, unrealized gains (losses) $ 104,290 $ (6,336)  
Gold Royalty Corp [member]      
Statement Line Items [Line Items]      
Increase (decrease) in equity investment designated at fair value through other comprehensive income, number of shares (in shares) 21,533,125 21,533,125  
Investment, fair value $ 132,091 $ 38,906 $ 45,052
Increase (decrease) through equity investments designated at fair value through other comprehensive income 0 190  
Disposal 0    
Investment, unrealized gains (losses) $ 93,185 (6,336)  
NevGold Corp [member]      
Statement Line Items [Line Items]      
Increase (decrease) in equity investment designated at fair value through other comprehensive income, number of shares (in shares) [1] 19,073,350    
Investment, fair value [1] $ 16,212 0  
Increase (decrease) through equity investments designated at fair value through other comprehensive income [1] 5,982    
Disposal [1] (875)    
Investment, unrealized gains (losses) [1] 11,105    
Long-term investments [member]      
Statement Line Items [Line Items]      
Investment, fair value 148,303 $ 38,906  
Increase (decrease) through equity investments designated at fair value through other comprehensive income 5,982    
Disposal (875)    
Investment, unrealized gains (losses) $ 104,290    
[1] GoldMining has entered into an agreement with NevGold, pursuant to which it has agreed not to, subject to certain customary exceptions, directly or indirectly, sell NevGold Shares in open market transactions through the facilities of the TSX Venture Exchange or other stock exchange or public trading platform until February 27, 2027.