Property and Equipment

9 Months Ended

Sep. 30, 2016

Property and Equipment

3. Property and Equipment

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

The December 31, 2015 balances have been reclassified to the current year presentation by allocating an impairment of $140.4 million to the individual asset groups. An additional impairment of $0.7 million was charged to the individual asset groups for the nine months ended September 30, 2016.

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