Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property and equipment

ssets recorded under capital leases were as follows (in thousands):

	December 31,
	2018			2017
Leasehold improvements	$	997		$	997
Less accumulated amortization	(768		)	(711		)
Net leasehold improvements	$	229		$	286
Obligations under capitalized leases	$	229		$	286

Property and equipment consist of the following (in thousands):

	December 31,
	2018			2017
Leasehold improvements	$	4,804		$	3,393
Laboratory and clean room equipment	13,787			9,982
Furniture and equipment	15,145			10,483
Construction in progress	1,507			2,200
Property and equipment, gross	35,243			26,058
Less accumulated depreciation and amortization	(17,819		)	(11,967		)
Property and equipment, net	$	17,424		$	14,091