Property, Plant and Equipment, Net

12 Months Ended

Dec. 31, 2016

Property Plant And Equipment [Abstract]

Property, Plant and Equipment, Net

(4) Property, Plant and Equipment, Net

Property, plant and equipment consist of the following:

	December 31,
	2016			2015			Useful life
	(In thousands)
Construction in progress	$	11,139		$	5,138		—
Buildings		23,901			23,884		30 years
Machinery and equipment		113,659			104,658		3 — 10 years
Computer equipment and software		7,679			6,888		3 years
Total		156,378			140,568
Accumulated depreciation and amortization		(71,984	)		(62,246	)
Property, plant and equipment, net	$	84,394		$	78,322

Plant and equipment under capital leases included in the table above was $0.1 million at both December 31, 2016 and 2015.

Depreciation expense was $9.8 million, $9.8 million and $10.1 million for the years ended December 31, 2016, 2015 and 2014, respectively. Amortization associated with assets under capital leases was less than $0.1 million for each of the years ended December 31, 2016, 2015 and 2014.

Construction in progress totaled $11.1 million and $5.1 million at December 31, 2016 and 2015, respectively. Construction in progress at December 31, 2016 included engineering designs and other pre-construction costs for our planned manufacturing facility in Statesboro, Georgia of $7.2 million and other capital improvement projects at the East Providence facility. Construction in process at December 31, 2015 included engineering designs and other pre-construction costs for our planned manufacturing facility in Statesboro, Georgia of $2.3 million and other capital improvement projects at the East Providence facility.