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Note 18 - Income Taxes - Summary of Reconciliation of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Federal tax expense at the statutory rate $ 839 $ (271)
Current year permanent differences (11) 273
State income taxes, net of federal tax impact 14 (166)
Effect of tax rates of foreign subsidiary 323 151
Currency translation effect on temporary differences 111 223
Change in valuation allowance 919 (2,994)
State NOL carryforwards (256) (471)
Other (866) 295
Income tax expense (benefit), net $ 1,073 $ (2,960)