Note 7 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Tax expense at federal statutory rate	$ 1,749	$ (1,633)
State expense, net of federal income tax effect	148	(97)
Deferred compensation adjustment	456	(5)
Domestic return to provision	(6)	(485)
Global Intangible Low Tax Income Inclusion	742	0
Nontaxable Paycheck Protection Program Loan Forgiveness Proceeds	0	(662)
Permanent differences other	56	282
Differences in foreign tax rate	(430)	527
Foreign rate change	(31)	18
Deferred tax on unremitted earnings	(55)	(176)
Foreign withholding taxes	178	209
All other, net expense	123	(101)
Total income tax expense/(benefit)	2,265	(133)
Domestic Tax Authority [Member]
Valuation allowance	(636)	1,807
State and Local Jurisdiction [Member]
Valuation allowance	$ (29)	$ 183