Property, Plant and Equipment-Net (Tables)

3 Months Ended

Mar. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment-Net

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

	March 31, 2014			December 31, 2013
Plant equipment	$	31,018		$	25,918
Building and improvements	5,725			5,514
Lab equipment	7,439			6,445
Leasehold improvements	2,695			2,659
Computer equipment and software	3,954			3,387
Furniture and fixtures	657			603
Land	430			430
Automobiles	49			49
Construction in progress	—			6,378
Total	51,967			51,383
Less: accumulated depreciation and amortization	(12,821		)	(11,294		)
Property, plant and equipment—net	$	39,146		$	40,089