Net Loss Per Share - Summary of Diluted Net Loss Per Share Attributable To Common Shareholders (Details) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2024 |
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Shares excluded from computation of diluted net loss per share | 17,558,798 | 12,493,401 | 17,558,798 | 12,493,401 |
| Warrants to purchase common shares | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Shares excluded from computation of diluted net loss per share | 8,511,968 | 8,511,968 | 8,511,968 | 8,511,968 |
| Options to purchase common shares | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Shares excluded from computation of diluted net loss per share | 9,046,830 | 3,981,433 | 9,046,830 | 3,981,433 |