Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2012

Property and Equipment

Schedule of property and equipment

Property and equipment consist of the following, in thousands:

	December 31,
	2011			2012
Computer equipment	$	586		$	615
Software		209			209
Lab equipment and furniture		3,465			3,896
Leasehold improvements		1,486			1,779
		5,746			6,499
Less accumulated depreciation and amortization		(4,436	)		(5,078	)
	$	1,310		$	1,421