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Note 9 - Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Federal	$ (70)	$ 4
State	20	15
Foreign	13	111
Total current tax provision	(37)	130
Federal	220	169
State
Foreign	(85)	11
Total deferred tax provision (benefit)	135	180
Total income tax provision	$ 98	$ 310

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