Note 9 - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Balance, before tax | $ (12,921) | $ (16,918) |
| Balance, tax | 0 | 0 |
| Balance, net | (12,921) | (16,918) |
| Translation adjustment | (1,666) | 2,973 |
| Translation adjustment | 0 | 0 |
| Translation adjustment, net | (1,666) | 2,973 |
| Balance, before tax | (14,587) | (13,945) |
| Balance, tax | 0 | 0 |
| Balance, net | $ (14,587) | $ (13,945) |
| X | ||||||||||
- Definition Amount, after tax, of accumulated increase (decrease) in equity from transaction and other event and circumstance from nonowner source. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). No definition available.
|
| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent. No definition available.
|
| X | ||||||||||
- Definition Amount, after tax, of realized and unrealized gain (loss) from foreign currency transaction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of tax expense (benefit), after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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