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Note 20 - Income Taxes - Components of Income Tax Expense (Benefit) Applicable to Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 0	$ (184)
State	2	39
Foreign	302	194
Total current income tax expense	304	49
Deferred:
Federal	(191)	(600)
State	(21)	(67)
Foreign	(297)	0
Total deferred income tax (benefit) expense	(509)	(667)
Income tax (benefit) expense, net	$ (205)	$ (618)

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