Property, Plant and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2018

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment, net

Property, plant and equipment, net consisted of the following as of March 31, 2018 and December 31, 2017 (in thousands):

	March 31, 2018			December 31, 2017
Land	$	700		$	700
Land improvements	300			300
Building and improvements	9,552			9,552
Computer equipment and software	14,072			14,073
Furniture and fixtures	2,513			2,512
Leasehold improvements	4,959			4,959
Laboratory and production equipment	13,286			8,030
Construction in progress	1,025			5,360
	46,407			45,486
Less: accumulated depreciation	(20,486		)	(19,490		)
Property, plant and equipment, net	$	25,921		$	25,996