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Share-Based Compensation - Schedule of Assumptions Used to Determine Grant-Date Fair Value of Stock Options (Details) - Employee Stock Option [Member] - $ / shares
3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Expected term (in years) 0 years 6 years 29 days    
Expected volatility, Minimum     82.39% 81.24%
Expected volatility, Maximum     82.48% 82.39%
Expected volatility 0.00% 82.39%    
Risk-free interest rate, Minimum     3.90% 4.01%
Risk-free interest rate, Maximum     3.91% 4.49%
Risk-free interest rate 0.00% 4.01%    
Fair value of common shares and exercise price of options, Minimum       $ 4.44
Fair value of common shares and exercise price of options, Maximum       $ 7.39
Fair value of common shares and exercise price of options $ 0 $ 4.44 $ 9.53  
Minimum        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Expected term (in years)     6 years 10 days 6 years 7 days
Maximum        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Expected term (in years)     6 years 29 days 6 years 29 days