Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2013

Property and Equipment

Schedule of property and equipment

Property and equipment consist of the following, in thousands:

	March 31,			December 31,
	2013			2012
	(unaudited)
Computer equipment	$	623		$	615
Software	209			209
Lab equipment and furniture	4,236			3,896
Leasehold improvements	1,803			1,779
	6,871			6,499
Less accumulated depreciation and amortization	(5,184		)	(5,078		)
	$	1,687		$	1,421