v3.26.1
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