Note 8 - Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Current taxes - Federal	$ 401	$ 121
Current taxes - State	17	24
Current taxes - Foreign	441	165
Income tax expense	$ 859	$ 310

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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