Property and Equipment (Tables)

3 Months Ended

Mar. 31, 2015

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment consist of the following as of March 31, 2015, and December 31, 2014 (in thousands):

	March 31, 2015			December 31, 2014
Leasehold improvements	$	2,589		$	2,559
Lab and clean room equipment	3,176			3,040
Furniture and office equipment	2,600			2,398
Construction in progress	1,928			949
Property and equipment, gross	10,293			8,946
Less accumulated depreciation	(3,853		)	(3,499		)
Property and equipment, net	$	6,440		$	5,447