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Note 12 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Federal	$ (71)	$ 577
State	37	(66)
Foreign	117	(682)
Total current	83	(171)
Federal	2,233	1,497
State	667	480
Foreign	495	748
Total	3,395	2,725
Change in valuation allowance	(9,918)	(833)
Total deferred	(6,523)	1,892
Tax benefit (provision)	$ (6,440)	$ 1,721

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