v3.26.3
Equity - Warrant activity (Details) - USD ($)
 3 Months Ended 12 Months Ended
Aug. 31, 2026
May 31, 2026
Equity    
Warrants outstanding beginning of period 306,367  
Granted 78,917  
Exercised 0  
Forfeited, expired, and cancelled (1,408)  
Warrants outstanding at end of period 383,876 306,367
Warrants outstanding and exercisable 383,876  
Outstanding at the beginning of the year (in dollars per share) $ 0.26  
Granted (in dollars per share) 0.24  
Exercised (in dollars per share) 0  
Forfeited, expired, and cancelled (in dollars per share) 0.64  
Outstanding at the end of the year (in dollars per share) 0.26 $ 0.26
Warrants outstanding and exercisable (in dollars per share) $ 0.26  
Weighted average remaining contractual life in years 3 years 9 months 29 days 3 years 6 months 25 days
Weighted average remaining contractual life in years outstanding and exercisable 3 years 9 months 29 days  
Aggregate intrinsic value outstanding of beginning $ 25,421  
Aggregate intrinsic value outstanding of end period 12,034 $ 25,421
Aggregate intrinsic value outstanding and exercisable $ 12,034