Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 1,153	$ 1,364
License agreements	400	700
Amortization of intangible assets	$ 200	50
Minimum
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful life	5 years
Software License Arrangement
Finite-Lived Intangible Assets [Line Items]
Impairment of intangible assets		$ 100
Not Yet Placed in Service
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 400