Property and Equipment, Net (Details) ft² in Thousands, $ in Thousands			3 Months Ended		9 Months Ended
	Sep. 09, 2015 ft²	Sep. 05, 2014 a ft²	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)
Property, Plant and Equipment
Depreciation and amortization expense | $			$ 446	$ 191	$ 897	$ 518
Land and Building
Property, Plant and Equipment
Area of Land		2.3
Building
Property, Plant and Equipment
Square feet of building | ft²	8	40
Estimated useful life	39 years	39 years
Leased Parking Space
Property, Plant and Equipment
Area of Land		1.5