Property and Equipment

9 Months Ended

Sep. 30, 2015

Property and Equipment

Property and Equipment

(4) Property and Equipment

Property and equipment as of September 30, 2015 and December 31, 2014 consisted of the following (in thousands):

	September 30, 2015			December 31, 2014
Laboratory equipment	$	12,217		$	12,217
Leasehold improvements	5,015			4,988
Computers and software	3,136			3,126
Furniture and fixtures	1,179			1,176
	21,547			21,507
Less accumulated depreciation and amortization	(20,986		)	(20,483		)
	$	561		$	1,024

Depreciation and amortization expenses of property and equipment, including equipment purchased under capital leases, were approximately $0.2 million in each of the three months ended September 30, 2015 and 2014, and $0.5 million in each of the nine months ended September 30, 2015 and 2014.