Property and Equipment

9 Months Ended

Sep. 30, 2013

(4) Property and Equipment

Property and equipment consist of the following:

	September 30, 2013			December 31, 2012
	(in thousands)
Laboratory equipment	$	12,626		$	12,531
Leasehold improvements	4,958			4,939
Computers and software	3,114			2,630
Furniture and fixtures	1,170			1,170
	21,868			21,270
Less accumulated depreciation and amortization	(20,380		)	(20,096		)
	$	1,488		$	1,174

Depreciation and amortization of property and equipment, including equipment purchased under capital leases, was approximately $0.1 million and $0.2 million for the three months ended September 30, 2013 and 2012, respectively, and $0.4 million and $0.6 million for the nine months ended September 30, 2013 and 2012, respectively.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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