Note 13 - Share-based Compensation - Summary of Share-based Compensation Expense (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2025 |
Aug. 31, 2024 |
Aug. 31, 2025 |
Aug. 31, 2024 |
|
| Share-based Compensation Expense | $ 2,000 | $ 515 | $ 4,394 | $ 5,319 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Share-based Compensation Expense | 1,200 | 485 | 2,440 | 3,134 |
| Performance Share Units [Member] | ||||
| Share-based Compensation Expense | 730 | (39) | 1,745 | 1,982 |
| Deferred Share Units [Member] | ||||
| Share-based Compensation Expense | $ 70 | $ 69 | $ 209 | $ 203 |