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Note 2 - Significant Accounting Policies - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands | Jan. 31, 2021 | Jan. 31, 2020 | Jan. 31, 2019
--- | --- | --- | ---
Accumulated other comprehensive loss, excluding tax effect | $ (3,492) | $ (3,966) |
Total accumulated other comprehensive loss | 49,313 | 55,629 | $ 51,701
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |
Accumulated other comprehensive loss, excluding tax effect | (1,590) | (1,879) |
Tax effect of equity adjustment foreign currency | 91 | 91 |
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |
Accumulated other comprehensive loss, excluding tax effect | (1,902) | (2,087) |
Tax effect of equity adjustment foreign currency | 114 | 115 |
AOCI Attributable to Parent [Member] |  |  |
Total accumulated other comprehensive loss | $ (3,287) | $ (3,760) | $ (2,880)

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). + References No definition available. + Details
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