Note 4 - Revenue Recognition (Details Textual) - USD ($) $ in Thousands |
Jul. 31, 2026 |
Jan. 31, 2026 |
|---|---|---|
| Contract with Customer, Liability | $ 614 | $ 2,153 |
| Unbilled Receivables, Current | $ 37,866 | $ 28,814 |
| 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 received for services rendered and products shipped, but not yet billed, for non-contractual agreements due within one year or the normal operating cycle, if longer. No definition available.
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