Share capital and share-based compensation - Schedule of Assumptions (Details) |
12 Months Ended |
|---|---|
|
Oct. 31, 2021
yr
| |
| Disclosure of classes of share capital [line items] | |
| Expected life of options | 6 |
| Expected dividend yield | 0.00% |
| Expected stock price volatility | 65.00% |
| Expected forfeiture rate | 0.00% |
| Minimum | |
| Disclosure of classes of share capital [line items] | |
| Risk free interest rate | 0.46% |
| Maximum | |
| Disclosure of classes of share capital [line items] | |
| Risk free interest rate | 0.97% |