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Note 11 - Non-controlling Interests - Share Options (Details)
 12 Months Ended
Nov. 30, 2024
$ / shares
Nov. 30, 2024
$ / shares
Nov. 30, 2023
$ / shares
Nov. 30, 2023
$ / shares
Statement Line Items [Line Items]        
Balance, option 14,945,195 14,945,195 14,003,075 14,003,075
Balance, weighted average exercise of option (in CAD per share) $ 1.6   $ 1.61  
Granted, option 2,763,234 2,763,234 3,700,000 3,700,000
Granted, weighted average exercise of option (in CAD per share) $ 1.19   $ 1.1  
Forfeited, option     (17,500) (17,500)
Forfeited, weighted average exercise of option (in dollars per share)     $ 1.83  
Balance, option 15,481,429 15,481,429 14,945,195 14,945,195
Balance, weighted average exercise of option (in CAD per share) $ 1.61   $ 1.6  
U.S. GoldMining Inc. [member]        
Statement Line Items [Line Items]        
Balance, option 82,500 82,500 0 0
Balance, weighted average exercise of option (in CAD per share)   $ 10   $ 0
Granted, option 106,050 106,050 82,500 82,500
Granted, weighted average exercise of option (in CAD per share)   $ 10   $ 10
Forfeited, option (3,000) (3,000)    
Forfeited, weighted average exercise of option (in dollars per share)   $ 10    
Balance, option 185,550 [1] 185,550 [1] 82,500 82,500
Balance, weighted average exercise of option (in CAD per share)   $ 10   $ 10
[1] As at November 30, 2024, outstanding U.S. GoldMining stock options have a weighted average remaining contractual life of 3.88 years.