Note 1 - Basis of Presentation and Summary of Significant Accounting Policies (Details Textual) |
3 Months Ended | ||
|---|---|---|---|
Dec. 02, 2025 |
Aug. 31, 2026
shares
|
Aug. 31, 2025
shares
|
|
| Restricted Stock Units (RSUs) [Member] | |||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 11,354,193 | 5,210,722 | |
| Share-Based Payment Arrangement, Option [Member] | |||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 301,604 | 303,201 | |
| Warrants [Member] | |||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 0 | 620,900 | |
| Convertible Debentures [Member] | |||
| Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares) | 2,410,240 | 3,766,478 | |
| Reverse Stock Split [Member] | |||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 10 | ||