Note 15 - Share-based Payments - Schedule of Nonvested Options (Details) - $ / shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Nonvested, beginning of period (in shares) | 3,461,411 | |||
| Nonvested, beginning of period, weighted average exercise price (in dollars per share) | $ 0.76 | $ 0.63 | ||
| Granted (in shares) | 2,087,179 | |||
| Granted, weighted average exercise price (in dollars per share) | $ 0.67 | |||
| Exercised, options (in shares) | 0 | 0 | 0 | 0 |
| Forfeited (in shares) | 0 | |||
| Forfeited, weighted average exercise price (in dollars per share) | $ 0 | |||
| Vested (in shares) | (1,470,316) | |||
| Vested, weighted average exercise price (in dollars per share) | $ 0.78 | |||
| Nonvested, end of period (in shares) | 4,078,274 | 4,078,274 | ||
| X | ||||||||||
- Definition Weighted average price at which nonvested option holders acquired shares when converting their stock options into shares. No definition available.
|
| X | ||||||||||
- Definition Number of nonvested share options (or share units) granted during the period. No definition available.
|
| X | ||||||||||
- Definition Weighted average exercise price of options vested. No definition available.
|
| X | ||||||||||
- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to nonvested stock options that were terminated. No definition available.
|
| X | ||||||||||
- Definition Number of non-vested options outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of non-vested options forfeited. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Weighted average grant-date fair value of non-vested options outstanding. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of options vested. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|