Property, Plant and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 41,654	$ 35,802
Accumulated depreciation	(24,890)	(26,168)
Total property, plant and equipment, net	16,764	9,634
Depreciation expense	2,558	1,983	$ 1,254
Automobiles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 139	23
Estimated useful life (in years)	5 years
Automobiles [Member] | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	6 years
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 3,397	2,144
Leasehold improvements [Member] | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Leasehold improvements [Member] | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	20 years
Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 23,991	25,397
Computer equipment [Member] | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	3 years
Computer equipment [Member] | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	7 years
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 10,867	6,709
Machinery and equipment [Member] | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	3 years
Machinery and equipment [Member] | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life (in years)	5 years
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,605	1,108
Estimated useful life (in years)	5 years
Work in progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,655	$ 421