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Note 13 - Income Tax - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Federal and state	$ 363	$ 169
Foreign	156	492
current income tax (benefit) expense	519	661
Federal and state	22	245
Foreign	(393)	(388)
deferred income tax (benefit) expense	(371)	(143)
Total income tax expense	$ 148	$ 518

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