Property, Plant, and Equipment (Tables)

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consisted of the following (in thousands):

	Estimated Useful Life (in years)			As of
				September 30, 2016			December 31, 2015
Automobiles	5	to	6	$	139		$	139
Leasehold improvements	4	to	20	3,256			3,397
Computer software and equipment	3	to	7	25,706			23,991
Machinery and equipment	3	to	5	12,540			10,867
Furniture and fixtures	5	to	20	2,062			1,605
Work in progress(1)	N/A			1,308			1,655
Total cost				45,011			41,654
Accumulated depreciation				(26,965		)	(24,890		)
Total property, plant and equipment, net				$	18,046		$	16,764

⁽¹⁾ Work in progress includes production tooling and equipment, and internal use software development.