Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal	$ 0	$ 0
State and local	0	0
Foreign	6	0
Total current income tax expense	6	0
Summary of Expense
Deferred	(493)	(132)
Total Income Tax Benefit	$ (487)	$ (132)