Fixed Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Fixed Assets [Abstract]
Leasehold improvements, net	$ 1,500	$ 1,800
Property, Plant and Equipment [Line Items]
Fixed assets, gross	12,678	12,373
Less, accumulated depreciation and amortization	(10,271)	(9,821)
Fixed assets, total	2,407	2,552
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 1,727	1,784
Estimated useful life	3 years
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 5,706	5,238
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	7 years
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 131	116
Estimated useful life	5 years
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 5,027	$ 5,027
Leasehold Improvements [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	6 years 4 months 24 days	6 years 4 months 24 days
Leasehold Improvements [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	10 years 9 months 18 days	10 years 9 months 18 days
Construction in Progress and Other [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 87	$ 208