Note 6 - Leases, Commitments and Contingencies (Details Textual) $ in Thousands |
3 Months Ended | 9 Months Ended |
|---|---|---|
|
Oct. 31, 2024
USD ($)
|
Oct. 31, 2024
USD ($)
|
|
| 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 |
| X | ||||||||||
- Definition Amount of loss contingency liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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
|
| 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|