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Note 7 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Tax expense at federal statutory rate	$ 2,007	$ 1,749
State expense, net of federal income tax effect	110	148
Deferred compensation adjustment	(32)	456
Domestic return to provision	390	(6)
Global Intangible Low-Taxed Income inclusion	1,206	742
Differences in foreign tax rate	(410)	(430)
Deferred tax on unremitted earnings	438	(55)
Foreign withholding taxes	304	178
Research tax credit	220	80
Pension Settlement	(115)	0
All other, net expense	(48)	68
Total income tax expense/(benefit)	3,613	2,265
Domestic Tax Authority [Member]
Valuation allowance	(590)	(636)
State and Local Jurisdiction [Member]
Valuation allowance	$ 133	$ (29)

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