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Note 8 - Long-term Investments - Changes in Long-term Investments (Details) - CAD ($)
$ in Thousands
 12 Months Ended
Nov. 30, 2024
Nov. 30, 2023
Nov. 30, 2022
Statement Line Items [Line Items]      
Investments in equity instruments designated at fair value through other comprehensive income $ 38,906 $ 45,080 $ 77,839
Increase (decrease) through equity investments designated at fair value through other comprehensive income 190 4,599  
Investment in GRC (6,336) (30,843)  
Investment in NevGold - warrants(2) 0 (180)  
Investment in NevGold - warrants(2) (28) (6,335)  
Investment in NevGold - warrants $ 0 $ (180)  
Gold Royalty Corp [member]      
Statement Line Items [Line Items]      
Number of shares (in shares) 21,533,125 21,433,125  
Investments in equity instruments designated at fair value through other comprehensive income $ 38,906 $ 45,052 75,557
Increase (decrease) through equity investments designated at fair value through other comprehensive income 190 654  
Investment in GRC (6,336) $ (31,159)  
NevGold Corp [member]      
Statement Line Items [Line Items]      
Number of shares (in shares) [1]   16,670,250  
Investments in equity instruments designated at fair value through other comprehensive income 74    
Investment in NevGold - warrants(2) (in shares)   1,488,100  
Investment in NevGold - warrants (in shares)   1,488,100  
NevGold Corp [member] | NevGold warrants [member]      
Statement Line Items [Line Items]      
Investments in equity instruments designated at fair value through other comprehensive income [2] 0 $ 28  
Increase (decrease) through equity investments designated at fair value through other comprehensive income $ 0 [2] 208  
Investment in NevGold - warrants(2) (in shares) [2] 1,488,100    
Investment in NevGold - warrants(2) $ 0 [2] (180)  
Investment in NevGold - warrants(2) [2] $ (28)    
Investment in NevGold - warrants (in shares) [2] 1,488,100    
Investment in NevGold - warrants $ 0 [2] (180)  
NevGold Corp [member] | NevGold shares [member]      
Statement Line Items [Line Items]      
Investments in equity instruments designated at fair value through other comprehensive income [1]     $ 2,282
Increase (decrease) through equity investments designated at fair value through other comprehensive income [1]   3,737  
Investment in GRC [1]   316  
Investment in NevGold - warrants(2) [1]   $ (6,335)  
[1] During the year ended November 30, 2023, the Company's investment in NevGold, which was initially measured at FVTOCI, was derecognized and reclassified to investment in associate (Note 7).
[2] Amounts were reclassified to short-term investments during the year ended November 30, 2024, as the warrants have an expiry date of December 5, 2024. Subsequent to year end the warrants expired unexercised.