Note 16 - Nature and Extent of Risks Arising from Financial Instruments - Analysis of Sensitivity to Market Interest Rates (Details) - Interest rate risk [member] - CAD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Oct. 31, 2022 |
Oct. 31, 2021 |
|
| Increase 100 bps [member] | ||
| Statement Line Items [Line Items] | ||
| Sensitivity of projected net interest income during a 12 month period | $ 4,304 | $ 4,147 |
| Duration difference between assets and liabilities (months) (Month) | 1 month 12 days | 2 months 9 days |
| Decrease 100 bps [member] | ||
| Statement Line Items [Line Items] | ||
| Sensitivity of projected net interest income during a 12 month period | $ (4,261) | $ (3,220) |