Intangible and Other Assets, Net - Schedule of Intangible and Other Assets, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Less accumulated amortization	$ (5,128)	$ (5,076)
Intangible assets, net	847	899
Inventory, non-current	1,146	813
Other assets	3,519	4,393
Intangible and Other Assets, Net	5,512	6,105
Patents and Licensing Rights
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	$ 5,975	$ 5,975