Note 4 - Revenue from Contracts with Customers - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
|
| Contract assets, balance | $ 0 | $ 20 |
| Revenue accrued | 7 | 12 |
| Amounts billed | 0 | (20) |
| Contract assets, balance | 7 | 12 |
| Contract liabilities, balance | 1,291 | 1,792 |
| Deferred revenue and customer deposits | 239 | 1,186 |
| Revenue recognized | (723) | (1,646) |
| Contract liabilities, balance | $ 807 | $ 1,332 |
| X | ||||||||||
- Definition The amounts billed for assets with contracts with customers. No definition available.
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| X | ||||||||||
- Definition The amount of revenue accrued from assets with contracts with customers. No definition available.
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| X | ||||||||||
- Definition The amount of contract with customer liability and customer deposits, classified as current. No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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