Property and Equipment (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Depreciation	$ 2,235	$ 1,649	$ 6,380	$ 4,956
Property, Plant and Equipment, Net	52,375		52,375		$ 43,521
Hardware Revenue Generating Asset [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Net	$ 40,543		$ 40,543		$ 28,453