Note 9 - Lease Commitments - Lease Costs (Details) |
Apr. 30, 2026 |
|---|---|
| Weighted-average remaining lease term (in years) (Year) | 1 year 6 months 29 days |
| Weighted-average discount rate | 5.25% |
| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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