Financial risk management (Schedule of detailed information about foreign exchange risk) (Details) |
Oct. 31, 2025
CAD ($)
|
Oct. 31, 2025
USD ($)
|
Oct. 31, 2024
CAD ($)
|
Oct. 31, 2024
USD ($)
|
Oct. 31, 2023
USD ($)
|
|---|---|---|---|---|---|
| Disclosure of detailed information about financial instruments [line items] | |||||
| Cash | $ 250,148 | $ 125,705 | |||
| Derivative liabilities | 421,409 | 1,570,675 | |||
| Warrant liabilities | 753,660 | 1,087,997 | |||
| Long-term loan | $ 46,621 | $ 44,806 | $ 43,254 | ||
| Currency risk [Member] | |||||
| Disclosure of detailed information about financial instruments [line items] | |||||
| Cash | $ 232,612 | $ 34,362 | |||
| Other receivables | 20,548 | 10,182 | |||
| Trade payables and other liabilities | 371,095 | 439,667 | |||
| Convertible debentures | 2,844,085 | 2,738,716 | |||
| Debenture payable | 52,031 | 52,031 | |||
| Derivative liabilities | 267,787 | 2,010,760 | |||
| Warrant liabilities | 1,056,434 | 1,514,051 | |||
| Long-term loan | $ 65,351 | $ 62,351 |