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Note 2 - Significant Accounting Policies - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2023
Total accumulated other comprehensive loss	$ 72,138	$ 65,712	$ 57,784
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated other comprehensive loss, excluding tax effect	(8,522)	(5,804)
Tax effect of equity adjustment foreign currency	325	253
AOCI Attributable to Parent [Member]
Total accumulated other comprehensive loss	$ (8,197)	$ (5,551)	$ (6,449)

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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).

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