v3.25.4
Note 12 - Noncontrolling Interests - Weighted Average Assumptions (Details) - $ / shares
12 Months Ended
Nov. 30, 2025
Nov. 30, 2024
Statement Line Items [Line Items]    
Risk-free interest rate 2.41% 3.18%
Expected life (years) 2.87 2.87
Expected volatility 42.55% 46.66%
Expected dividend yield 0.00% 0.00%
Estimated forfeiture rate 2.45% 3.69%
U.S. GoldMining Inc. [member]    
Statement Line Items [Line Items]    
Share price at grant date (US) (in dollars per share) $ 8.74 $ 5.25
Risk-free interest rate 4.32% 4.45%
Expected life (years) 3 3
Expected volatility 55.45% 54.94%
Expected dividend yield 0.00% 0.00%
Estimated forfeiture rate 0.00% 0.00%