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Note 5 - Income Taxes (Details Textual) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
Effective Income Tax Rate Reconciliation, Percent	30.00%	(208.00%)
Undistributed Earnings of Foreign Subsidiaries	$ 0.7

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Topic 740
-SubTopic 10
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-Section 50
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X

- Definition

Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

+ References

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