Net Loss Per Share - Summary of Diluted Net Loss Per Share Attributable To Common Shareholders (Details) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2025 |
Jul. 31, 2024 |
Jul. 31, 2025 |
Jul. 31, 2024 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||
| Shares excluded from computation of diluted net loss per share | 17,920,615 | 14,037,353 | 17,920,615 | 14,037,353 |
| 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 | 9,408,647 | 5,525,385 | 9,408,647 | 5,525,385 |