Note 2 - Summary of Significant Accounting Policies (Details Textual) - shares |
6 Months Ended | |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 8,330,317 | 5,493,138 |
| Restricted Stock Units (RSUs) [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 4,781,268 | 4,256,532 |