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Note 11 - Non-controlling Interests - Share Options (Details) | 12 Months Ended
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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.

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