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Note 18 - Income Taxes - Summary of Reconciliation of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Federal tax expense at the statutory rate $ 5 $ (196)
Current year permanent differences 326 35
State income taxes, net of federal tax impact (90) (72)
Effect of tax rates of foreign subsidiary 400 235
Return to provision 150 (35)
Change in valuation allowance 915 469
Research & experimental tax credit expiration 0 227
Income tax expense, net $ 1,706 $ 663