Operating expenses (Schedule of detailed information about components of professional, other fees and salaries) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2025 |
Oct. 31, 2024 |
Oct. 31, 2023 |
|
| Disclosure Of Operating Expenses [Line Items] | |||
| Professional, other fees and salaries | $ 668,122 | $ 391,406 | $ 610,052 |
| Professional fees [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| Professional, other fees and salaries | 260,801 | 98,412 | 144,244 |
| Consulting fees [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| Professional, other fees and salaries | 83,181 | 40,977 | 67,664 |
| Salaries and benefits [Member] | |||
| Disclosure Of Operating Expenses [Line Items] | |||
| Professional, other fees and salaries | $ 324,140 | $ 252,017 | $ 398,144 |