Note 6 - Leases, Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jul. 31, 2024 |
Jul. 31, 2024 |
Jul. 31, 2023 |
Apr. 30, 2024 |
Jan. 31, 2024 |
|
| Operating Lease, Weighted Average Discount Rate, Percent | 5.90% | 5.90% | 5.70% | ||
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 6 years 3 months 18 days | 6 years 3 months 18 days | |||
| Lease, Cost | $ 1,400 | $ 2,900 | |||
| Lease Payments | 1,400 | $ 1,400 | |||
| Short-Term Lease, Cost | 0 | ||||
| Legal Proceedings and Claims [Member] | |||||
| Loss Contingency Accrual, Ending Balance | $ 0 | 0 | |||
| Indemnifications or Commitments [Member] | |||||
| Loss Contingency Accrual, Ending Balance | 0 | $ 0 | |||
| Loss Contingency, Loss in Period | $ 0 | ||||
| Minimum [Member] | |||||
| Lessee, Operating Lease, Remaining Lease Term (Year) | 1 year | ||||
| Maximum [Member] | |||||
| Lessee, Operating Lease, Remaining Lease Term (Year) | 10 years | ||||
| X | ||||||||||
- Definition Amount of cash outflow from operating and finance leases. No definition available.
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| X | ||||||||||
- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Remaining lease term of 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/disclosureRef
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| X | ||||||||||
- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| 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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| X | ||||||||||
- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Details
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