Note 10 - Shareholders' Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 31, 2023 |
Jul. 31, 2022 |
Jul. 31, 2023 |
Jul. 31, 2022 |
|
| Balance as of beginning-of-period | $ (13,919) | $ (1,278) | $ (14,794) | $ 970 |
| Balance as of beginning-of-period | 0 | 0 | 0 | 0 |
| Balance as of beginning-of-period | (13,919) | (1,278) | (14,794) | 970 |
| Translation adjustment | 496 | (1,477) | 1,371 | (3,725) |
| Translation adjustment | 0 | 0 | 0 | 0 |
| Translation adjustment | 496 | (1,477) | 1,371 | (3,725) |
| Balance as of end-of-period | (13,423) | (2,755) | (13,423) | (2,755) |
| Balance as of end-of-period | 0 | 0 | 0 | 0 |
| Balance as of end-of-period | $ (13,423) | $ (2,755) | $ (13,423) | $ (2,755) |
| 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
|
| 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
|
| 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
|