Note 8 - Stock-based Compensation - Restricted Stock Activity (Details) - Restricted Stock [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
6 Months Ended | |
|---|---|---|
Jul. 31, 2025 |
Jan. 31, 2025 |
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| Outstanding (in shares) | 230 | |
| Outstanding, weighted average price (in dollars per share) | $ 9.05 | |
| Outstanding, aggregate intrinsic value | $ 2,228 | $ 2,080 |
| Granted (in shares) | 90 | |
| Granted, weighted average price (in dollars per share) | $ 21.61 | |
| Vested and issued (in shares) | (111) | |
| Vested and issued, weighted average price (in dollars per share) | $ 10.99 | |
| Forfeited or retired for taxes (in shares) | (22) | |
| Forfeited or retired for taxes, weighted average price (in dollars per share) | $ 17.41 | |
| Outstanding (in shares) | 187 | |
| Outstanding, weighted average price (in dollars per share) | $ 17.48 |
| X | ||||||||||
- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised, or put into effect as a result of the occurrence of a terminating event, or retired for taxes. No definition available.
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| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested and issued during the reporting period. No definition available.
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| X | ||||||||||
- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. No definition available.
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| X | ||||||||||
- Definition Number of shares related to Restricted Stock Award forfeited or retired for taxes during the period. No definition available.
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| X | ||||||||||
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of equity instruments other than options outstanding, including both vested and non-vested instruments. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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