Note 3 - Capital Assets - Assets Held for Sale (Details) - USD ($) $ in Thousands |
Feb. 28, 2026 |
May 31, 2025 |
|---|---|---|
| Assets, Held for sale | $ 2,449 | $ 5,800 |
| Production Facilities [Member] | ||
| Assets, Held for sale | 0 | 5,800 |
| Equipment [Member] | ||
| Assets, Held for sale | 979 | 0 |
| Leasehold Improvements [Member] | ||
| Assets, Held for sale | 493 | 0 |
| Right of Use Assets [Member] | ||
| Assets, Held for sale | $ 977 | $ 0 |