v3.26.1
Note 15 - Share-Based Payments - Schedule of Option Activity (Details) - $ / shares
 3 Months Ended
May 31, 2026
May 31, 2025
Outstanding, beginning of period (in shares) 6,243,138 2,771,216
Outstanding, beginning of period, weighted average exercise price (in dollars per share) $ 2.96 $ 5.25
Granted, options (in shares) 1,082,179 2,801,922
Granted, options, weighted average exercise price (in dollars per share) $ 1.44 $ 1.16
Exercised, options (in shares) 0 0
Exercised, options, weighted average exercise price (in dollars per share) $ 0 $ 0
Forfeited, options (in shares) 0 0
Forfeited, options, weighted average exercise price (in dollars per share) $ 0 $ 0
Expired, options (in shares) 0 0
Expired, options, weighted average exercise price (in dollars per share) $ 0 $ 0
Outstanding, end of period (in shares) 7,325,317 5,573,138
Outstanding, end of period, weighted average exercise price (in dollars per share) $ 5.59 $ 3.19
Exercisable, end of period (in shares) 4,247,043 2,711,727
Exercisable, end of period, weighted average exercise price (in dollars per share) $ 3.74 $ 4.98