Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 23	$ (10)	$ 80	$ 64
Income Taxes (Textual) [Abstract]
Unrecognized tax benefits	9,300		9,300		$ 9,100
Unrecognized tax benefits that would impact effective tax rate	413		413		409
Accrued for interest and penalties	$ 62		62		$ 74
Reduction in gross unrecognized tax benefits			$ 12