Warrant liability (Schedule of detailed information about re-valued warrant liability with inputs, assumptions and results) (Details) - Warrants [Member] |
12 Months Ended | |||
|---|---|---|---|---|
|
Oct. 31, 2025
$ / shares
|
Oct. 31, 2024
$ / shares
|
Oct. 31, 2025
$ / shares
|
Oct. 31, 2024
$ / shares
|
|
| Share price | (per share) | $ 0.05 | $ 0.08 | $ 0.03 | $ 0.06 |
| Exercise price | (per share) | $ 0.05 | $ 0.04 | ||
| Risk free interest rate | 2.39% | 3.09% | ||
| Expected life (in years) of warrant | 3 years | |||
| Expected dividend yield | 0.00% | 0.00% | ||
| Minimum [Member] | ||||
| Exercise price | (per share) | $ 0.05 | 0.04 | ||
| Volatility factor (based on historical volatility) | 132.00% | 154.00% | ||
| Expected life (in years) of warrant | 0 years | |||
| Maximum [Member] | ||||
| Exercise price | (per share) | $ 0.07 | $ 0.05 | ||
| Volatility factor (based on historical volatility) | 165.00% | 156.00% | ||
| Expected life (in years) of warrant | 3 years | |||