Note 10 - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Current
Domestic -- Federal	$ 523	$ 1,073
Domestic -- state	45	78
Foreign	(14)	1
Total	554	1,152
Deferred
Domestic -- Federal	12	401
Domestic -- state	(9)	256
Foreign	165	(339)
Total	168	318
Income tax expense	$ 722	$ 1,470