v3.26.1
Share-based payments - Exercise price range of stock options (Details)
9 Months Ended
May 31, 2026
shares
$ / shares
Aug. 31, 2025
shares
Aug. 31, 2024
shares
Share-based payments      
Number of options outstanding | shares 23 27 40
Exercise Price 264.40      
Share-based payments      
Exercise price range $ 2,644    
Number of options outstanding | shares 5    
Weighted average grant date fair value $ 2,644    
Weighted average remaining contractual life (years) 4 years 1 month 24 days    
Exercisable options | shares 2    
Exercise Price 41,040.00 To 185,220.00      
Share-based payments      
Number of options outstanding | shares 2    
Weighted average grant date fair value $ 1,131,300    
Weighted average remaining contractual life (years) 2 years 7 months 13 days    
Exercisable options | shares 2    
Exercise Price 41,040.00 To 185,220.00 | Minimum      
Share-based payments      
Exercise price range $ 410,400    
Exercise Price 41,040.00 To 185,220.00 | Maximum      
Share-based payments      
Exercise price range $ 1,852,200    
Exercise Price 227,340.00 To 243,540.00      
Share-based payments      
Number of options outstanding | shares 16    
Weighted average grant date fair value $ 2,338,200    
Weighted average remaining contractual life (years) 2 years 1 month 20 days    
Exercisable options | shares 16    
Exercise Price 227,340.00 To 243,540.00 | Minimum      
Share-based payments      
Exercise price range $ 2,273,400    
Exercise Price 227,340.00 To 243,540.00 | Maximum      
Share-based payments      
Exercise price range $ 2,435,400