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Retrospective adjustments, Stock Options (Details) - shares
Jul. 31, 2025
Nov. 06, 2024
Oct. 31, 2024
Jul. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]        
Number of stock options, Outstanding (in shares) 108,644 58,644 62,772 62,772
Number of stock options, Exercisable (in shares) 51,859     33,496
Prior to Retrospective Impact [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward]        
Number of stock options, Outstanding (in shares)       4,105,000
Number of stock options, Exercisable (in shares)       2,190,250