Operating expenses (Schedule of detailed information about components of general and administrative expenses) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2025 |
Oct. 31, 2024 |
Oct. 31, 2023 |
|
| Disclosure Of Operating Expenses [Line Items] | |||
| General and administrative expense | $ 207,217 | $ 146,636 | $ 148,616 |
| General and administrative [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| General and administrative expense | 128,034 | 42,113 | 70,584 |
| Rent and occupancy [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| General and administrative expense | 19,702 | 18,514 | 17,663 |
| Office insurance [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| General and administrative expense | 2,599 | 1,986 | 1,930 |
| Investor relations, listing and filing fees [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| General and administrative expense | 45,956 | 77,535 | 52,756 |
| Telephone [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| General and administrative expense | $ 10,926 | $ 6,488 | $ 5,683 |