Property, Plant and Equipment-Net

9 Months Ended

Sep. 30, 2015

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment-Net

PROPERTY, PLANT AND EQUIPMENT—NET

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

	September 30, 2015			December 31, 2014
Plant equipment	$	30,885		$	30,213
Building and improvements	5,817			5,807
Lab equipment	7,359			7,904
Leasehold improvements	1,889			1,935
Computer equipment and software	3,937			3,936
Furniture and fixtures	649			638
Land	430			430
Automobiles	194			194
Construction in progress	1,795			1,926
Total	52,955			52,983
Less: accumulated depreciation and amortization	(20,836		)	(16,903		)
Property, plant and equipment—net	$	32,119		$	36,080

Construction in progress as of September 30, 2015 and December 31, 2014 related primarily to the Peoria and Clinton/Galva Facilities and other plant equipment not yet placed in service as of those dates.

Depreciation and amortization expense was $1.6 million and $4.4 million for the three and nine months ended September 30, 2015, respectively, and $1.6 million and $4.7 million for the three and nine months ended September 30, 2014.