Note 2 - Summary of Significant Accounting Policies (Details Textual) - shares |
3 Months Ended | |
|---|---|---|
May 31, 2026 |
May 31, 2025 |
|
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 7,325,317 | 5,573,138 |
| Restricted Stock Units (RSUs) [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 4,218,696 | 3,981,121 |