Income Taxes - Schedule of Provision for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Current:
State	$ 90	$ 39	$ 270	$ 300
Federal	0	0	525	0
Foreign	(67)	664	2,337	1,866
Current income tax expense (benefit)	23	703	3,132	2,166
Deferred:
Foreign	0	0	(755)	0
Deferred income tax expense (benefit)	0	0	(755)	0
Income tax expense	$ 23	$ 703	$ 2,377	$ 2,166