Property, Plant and Equipment-Net (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment-Net

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

	December 31, 2016			December 31, 2015
Plant equipment	$	25,269		$	24,824
Building and improvements	5,810			5,810
Lab equipment	7,088			7,495
Leasehold improvements	2,993			1,866
Computer equipment and software	3,968			3,988
Other	1,076			1,421
Total	46,204			45,404
Less: accumulated depreciation and amortization	(23,530		)	(19,408		)
Property, plant and equipment—net	$	22,674		$	25,996