Note 5 - Income Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Federal	$ 2	$ 15
Foreign	949	623
State	76	116
Federal	(192)	(1,525)
Foreign	(65)	(8)
State	49	(169)
Net expense (benefit)	$ 819	$ (948)