Income Taxes - Schedule of Components of Income Tax Benefit (Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Current:
Federal	$ 0	$ 0
State	0	(4)
Foreign	(185)	0
Total Current	(185)	(4)
Deferred:
Federal	0	170
State	0	0
Foreign	0	0
Total Deferred	0	170
Total income tax benefit (provision)	$ (185)	$ 166