Note 15 - Capital Management (Details Textual) |
Apr. 30, 2026 |
|---|---|
| Statement Line Items [Line Items] | |
| Maximum percentage of credit risk-weighted assets for allowance | 1.25% |
| Required minimum capital ratio, common equity tier 1 | 7.00% |
| Required minimum capital ratio, tier 1 capital | 8.50% |
| Required minimum capital ratio, total capital | 10.50% |
| Capital conservation buffer | 2.50% |
| Minimum leverage ratio | 3.00% |