Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Dec. 02, 2025 |
Feb. 28, 2026
USD ($)
shares
|
Feb. 28, 2025
shares
|
May 31, 2025
USD ($)
|
|
| Restricted Cash and Cash Equivalent, Current | $ | $ 44,885 | $ 0 | ||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 3,766,478 | 4,873,823 | ||
| Restricted Stock Units (RSUs) [Member] | ||||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 7,626,712 | 2,189,612 | ||
| Share-Based Payment Arrangement, Option [Member] | ||||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 303,199 | 303,256 | ||
| Warrants [Member] | ||||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 0 | 620,900 | ||
| Reverse Stock Split [Member] | ||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 10 | |||