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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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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deferred tax on unremitted earnings. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (Benefit) And expected income tax expense (Benefit) Computed by applying the domestic federal statutory income tax rates to pretax income (Loss) From continuing operations attributable to global intangible low tax income inclusion. + References No definition available. + Details
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