Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal
State and local	15	27
Total current income taxes	15	27
Deferred:
Federal	(43)	(270)
State and local	(1)	(3)
Total deferred income taxes	(44)	(273)
Valuation allowance	44	169
Provision (benefit) for income taxes	$ 15	$ (77)