Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Components of Property and Equipment

Property and equipment, net, consisted of the following:

	December 31,
	2018			2017
	(in thousands)
Lab equipment	$	2,489		$	2,229
Leasehold improvements	741			737
Computer hardware and software	428			355
Furniture and fixtures	159			77
Property and equipment, gross	3,817			3,398
Less: accumulated depreciation and amortization	(3,090		)	(2,835		)
Property and equipment, net	$	727		$	563