Financial risk management (Schedule of detailed information about maturity of warrant liabilities) (Details) - USD ($) |
Oct. 31, 2025 |
Oct. 31, 2024 |
|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | ||
| Warrant liabilities | $ 753,660 | $ 1,087,997 |
| Less than one year [Member] | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Warrant liabilities | 0 | 0 |
| Between one and five years [Member] | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Warrant liabilities | 753,660 | 1,087,997 |
| Greater than five years [Member] | ||
| Disclosure of detailed information about financial instruments [line items] | ||
| Warrant liabilities | $ 0 | $ 0 |