Share-Based Compensation - Schedule of Assumptions Used to Determine Grant-Date Fair Value of Stock Options (Details) - Employee Stock Option [Member]	3 Months Ended			9 Months Ended
	Jul. 31, 2024 $ / shares	Jul. 31, 2023 $ / shares	Jul. 31, 2023 $ / shares	Jul. 31, 2024 $ / shares	Jul. 31, 2023 $ / shares	Jul. 31, 2023 $ / shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected volatility, Minimum	81.64%	80.02%	80.02%	78.24%	80.02%	80.02%
Expected volatility, Maximum	82.33%	81.48%	81.48%	82.33%	82.70%	82.70%
Risk-free interest rate, Minimum	4.16%	4.29%	4.29%	4.16%	3.56%	3.56%
Risk-free interest rate, Maximum	4.22%	4.35%	4.35%	4.66%	4.35%	4.35%
Fair value of common shares and exercise price of options, Minimum | (per share)	$ 8.65			$ 7.66	$ 0.38	$ 0.28
Fair value of common shares and exercise price of options, Maximum | (per share)	$ 9			$ 17.8	$ 1.06	$ 0.79
Fair value of common shares and exercise price of options | (per share)		$ 1.06	$ 0.79
Minimum
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Expected term (in years)	5 years 6 months 3 days	5 years 2 months 12 days	5 years 2 months 12 days	5 years 6 months 3 days	5 years 1 month 13 days	5 years 1 month 13 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	6 years 29 days	6 years 29 days	6 years 29 days	6 years 29 days