Note 6 - Taxes - Reconciliation of Unrecognized Tax Benefit (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Jan. 31, 2025 |
Jan. 31, 2024 |
Jan. 31, 2023 |
|
| Unrecognized tax benefits, beginning balances | $ 14,820 | $ 12,320 | $ 14,340 |
| Increases for tax positions taken during a prior period | 0 | 2,399 | 952 |
| Decreases for tax positions taken during a prior period | (4) | (95) | (210) |
| Other | (110) | 196 | (720) |
| Decreases for tax positions settled with tax authorities | (2,080) | 0 | 0 |
| Decreases resulting from the expiration of statute of limitations | 0 | 0 | (2,042) |
| Unrecognized tax benefits, ending balance | $ 12,626 | $ 14,820 | $ 12,320 |
| X | ||||||||||
- Definition Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns, classified as other. No definition available.
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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