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Note 19 - Income Taxes - Components of Income Tax Expense (Benefit) Applicable to Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 0	$ 0
State	(14)	2
Foreign	270	302
Total current income tax expense	256	304
Deferred:
Federal	(217)	(191)
State	(23)	(21)
Foreign	(20)	(297)
Total deferred income tax (benefit) expense	(260)	(509)
Income tax (benefit) expense, net	$ (4)	$ (205)

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