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Note 14 - Income Tax - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Federal and state	$ 169	$ (707)
Foreign	492	290
current income tax (benefit) expense	661	(417)
Federal and state	245	(281)
Foreign	(388)	(117)
deferred income tax (benefit) expense	(143)	(398)
Total income tax expense (benefit), amount	$ 518	$ (815)

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