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Note 11 - Income Taxes - Schedule of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal
State
Foreign	39
Total current	39
Deferred:
Federal	439	3,726
State	(20)	81
Foreign	(18)
Less: valuation allowance	(366)	(3,761)
Total deferred	35	46
Income tax expense	$ 74	$ 46

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