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Note 7 - Income Taxes - Income Tax Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2021 | Jan. 31, 2020
Tax expense at federal statutory rate | $ (1,633) | $ 1,057
State expense, net of federal income tax effect | (97) | 147
Deferred balance adjustment | (5) | (212)
Domestic return to provision | (485) | (172)
Global Intangible Low Tax Income Inclusion |  | 703
Nontaxable Paycheck Protection Program Loan Forgiveness Proceeds | (662) |
Permanent differences other | 282 | (5)
Differences in foreign tax rate | 527 | (79)
Foreign rate change | 18 | (63)
Deferred tax on unremitted earnings | (176) | 183
Foreign withholding taxes | 209 | 274
All other, net expense | (101) | (35)
Total income tax expense/(benefit) | (133) | 1,459
Domestic Tax Authority [Member] |  |
Valuation allowance | 1,807 | (337)
State and Local Jurisdiction [Member] |  |
Valuation allowance | $ 183 | $ (2)

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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 balance adjustments. + 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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