v3.26.3
Share capital (Schedule of valuation assumptions used for warrants under the incentive program) (Details) - Warrants [Member] - Warrants Incentive Program [Member]
9 Months Ended
Jul. 31, 2026
$ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Exercise price $ 2.3
Expected life 3 years
Minimum [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Share price $ 2.3
Volatility 79.42%
Risk-free interest Rate 3.50%
Maximum [Member]  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]  
Share price $ 15.25
Volatility 80.00%
Risk-free interest Rate 4.21%