Property, Plant and Equipment

6 Months Ended

Jun. 30, 2018

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment is comprised of the following:

	As of
	June 30,			December 31,
	2018			2017
Land	$	1,137		$	1,130
Buildings and improvements	68,778			64,201
Machinery and equipment	225,843			223,650
Less: Accumulated depreciation	(202,128		)	(200,734		)
Property, plant and equipment, net	$	93,630		$	88,247
Depreciation expense for the three months ended June 30, 2018				$	3,774
Depreciation expense for the six months ended June 30, 2018				$	7,537