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Note 18 - Subsequent Events (Details Textual) $ in Thousands |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 23, 2022 | Feb. 27, 2025 CAD ($) shares | Nov. 30, 2024 | Nov. 30, 2023 | Feb. 27, 2025 $ / shares
Statement Line Items [Line Items] |  |  |  |  |
Number of share options granted in share-based payment arrangement |  |  | 2,763,234 | 3,700,000 |
U.S. GoldMining Inc. [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Number of share options granted in share-based payment arrangement |  |  | 106,050 | 82,500 |
U.S. GoldMining Inc. [member] | Restricted shares [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement | 635,000 |  |  |  |
Major ordinary share transactions [member] | U.S. GoldMining Inc. [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Number of share options granted in share-based payment arrangement |  | 140,500 |  |  |
Exercisable period (Year) |  | 5 years |  |  |
Vesting period (Month) |  | 18 months |  |  |
Exercise price of outstanding share options (in dollars per share) | $ / shares |  |  |  |  | $ 10
Major ordinary share transactions [member] | U.S. GoldMining Inc. [member] | Restricted shares [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Number of other equity instruments granted in share-based payment arrangement |  | 15,050 |  |  |
Major ordinary share transactions [member] | U.S. GoldMining Inc. [member] | Restricted stock units [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Vesting period (Month) |  | 1 year |  |  |
Exercise price of outstanding share options (in dollars per share) | $ / shares |  |  |  |  | $ 8.32
ATM program [member] | Major ordinary share transactions [member] |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |
Increase (decrease) in number of ordinary shares issued (in shares) | shares |  | 1,118,400 |  |  |
Issue of equity | $ |  | $ 1,290 |  |  |
Payments for share issue costs | $ |  | $ 30 |  |  |

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