Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Foreign
Current	$ 17
Deferred	(142)	(454)
U.S. federal
Current
Deferred	734	9,422
State and local
Current	7	18
Deferred	391	1,844
Total amount	1,007	10,830
Change in valuation allowance	(1,007)	(10,830)
Income Tax Provision