v3.26.3
Note 15 - Share-Based Payments - Schedule of Option Activity (Details) - $ / shares
 3 Months Ended 6 Months Ended
Aug. 31, 2026
Aug. 31, 2025
Aug. 31, 2026
Aug. 31, 2025
Outstanding, beginning of period (in shares) 7,325,317 5,573,138 6,243,138 2,771,216
Outstanding, beginning of period, weighted average exercise price (in dollars per share) $ 2.73 $ 3.19 $ 2.96 $ 5.25
Granted, options (in shares) 1,005,000 0 2,087,179 2,801,922
Granted, options, weighted average exercise price (in dollars per share) $ 1.44 $ 0 $ 1.44 $ 1.16
Exercised, options (in shares) 0 0 0 0
Exercised, options, weighted average exercise price (in dollars per share) $ 0 $ 0 $ 0 $ 0
Forfeited, options (in shares) 0 (80,000) 0 (80,000)
Forfeited, options, weighted average exercise price (in dollars per share) $ 0 $ 3.11 $ 0 $ 3.11
Expired, options (in shares) 0 0 0 0
Expired, options, weighted average exercise price (in dollars per share) $ 0 $ 0 $ 0 $ 0
Outstanding, end of period (in shares) 8,330,317 5,493,138 8,330,317 5,493,138
Outstanding, end of period, weighted average exercise price (in dollars per share) $ 2.58 $ 3.19 $ 2.58 $ 3.19
Exercisable, end of period (in shares) 4,252,043 2,711,727 4,252,043 2,711,727
Exercisable, end of period, weighted average exercise price (in dollars per share) $ 3.74 $ 4.98 $ 3.74 $ 4.98