Note 7 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Tax expense at federal statutory rate	$ 2,083	$ 2,007
State expense, net of federal income tax effect	159	110
Domestic return to provision	247
Deferred compensation adjustment	0	(32)
Domestic return to provision	0	390
Global Intangible Low-Taxed Income inclusion	2,202	1,206
State NOL expirations	1,375	0
Permanent differences other	258	0
Differences in foreign tax rate	(598)	(410)
Reductions of uncertain tax positions of prior years	(239)	0
Deferred tax on unremitted earnings	195	438
Foreign withholding taxes	135	304
Research tax credit	247	220
Pension Settlement	0	(115)
All other, net expense	(5)	(48)
Total income tax (benefit) expense	(3,320)	3,613
Domestic Tax Jurisdiction [Member]
Valuation allowance	(8,065)	(590)
State and Local Jurisdiction [Member]
Valuation allowance	$ (1,314)	$ 133