Note 15 - Supplemental Cash Flow Information (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Apr. 22, 2025 |
Aug. 31, 2025 |
Feb. 28, 2025 |
Aug. 31, 2024 |
Aug. 31, 2025 |
Aug. 31, 2024 |
|
| Warrant expense (Note 9) | $ 0 | $ (0) | $ 39,607 | $ (0) | ||
| Backstop Warrants [Member] | ||||||
| Warrants and Rights Outstanding | $ 39,607 | |||||
| Warrant expense (Note 9) | $ 39,607 | |||||
| Filo Corporation [Member] | BHP Investments Canada Inc. and Lundin [Member] | ||||||
| Proceeds from Sale, Maturity and Collection of Investments | $ 952 | |||||
| Filo Corporation [Member] | BHP Investments Canada Inc. and Lundin [Member] | Lundin Stock [Member] | ||||||
| Investment Owned, Shares Received as Consideration | 19,688 | |||||