Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal
State and local	27	17
Total current income taxes	27	17
Deferred:
Federal	(270)	4,086
State and local	(3)	(10)
Total deferred income taxes	(273)	4,076
Valuation allowance	(169)	4,111
Provision for income taxes	$ (77)	$ (18)