Note 6 - Income Taxes - Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Current:
Federal
State	(149)	(177)
Foreign	(213)	(119)
Current Total	(362)	(296)
Deferred:
Federal	994	(380)
State	52	(119)
Foreign		(20)
Deferred Total	1,046	(519)
Total	$ 684	$ (815)

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