Property and Equipment (Tables)

9 Months Ended

Sep. 30, 2016

Property and equipment — net consist of the following (dollar amounts in thousands):


	Estimated Useful Life (Years)		September 30, 2016			December 31, 2015
Land		—	$	3,435		$	3,435
Buildings		39-40		21,590			21,590
Building improvements		5-40		60,584			60,584
Machinery and equipment		3-15		67,996			68,434
Furniture, fixtures and office equipment		5-10		4,114			4,114
Computer equipment and software		3		9,519			9,519
Construction in progress		—		203			586

				167,441			168,262
Less accumulated depreciation				(120,616	)		(119,513	)

Total property and equipment — net			$	46,825		$	48,749

Depreciation expense related to property and equipment for the three and nine months ended September 30, 2016 and 2015 was as follows (in thousands):


	Three Months Ended September 30,				Nine Months Ended September 30,
	2016		2015		2016		2015
Depreciation expense	$	597	$	3,165	$	1,775	$	8,282