v3.26.1
Share-based payments - Stock options (Details) - USD ($)
3 Months Ended 9 Months Ended
May 31, 2026
May 31, 2025
May 31, 2026
May 31, 2025
Share-based payments        
Share-based compensation expense $ 2,765 $ 8,440 $ 15,896 $ 31,660
Minimum        
Share-based payments        
Exercise price     $ 2,644  
Expiration period     5 years  
Maximum        
Share-based payments        
Exercise price     $ 2,435,400  
Expiration period     10 years