Selected Balance Sheet Information (Details 1) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,301	$ 1,091
Less accumulated depreciation and amortization	(429)	(186)
Total	872	905
Computers and office equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	851	641
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	439	439
Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 11	$ 11