Property and Equipment

6 Months Ended

Jun. 30, 2017

Property and Equipment

Property and Equipment

5.  Property and Equipment

Property and equipment consist of the following, in thousands:

	June 30,			December 31,
	2017			2016
	(unaudited)
Computer equipment	$	1,214		$	1,206
Software	1,939			1,807
Lab equipment and furniture	7,411			6,758
Leasehold improvements	2,729			2,642
Construction in progress	—			28
	13,293			12,441
Less accumulated depreciation and amortization	(8,721		)	(8,097		)
	$	4,572		$	4,344

Depreciation and amortization expense on property and equipment was approximately $0.3 million and $0.6 million for the three and six months ended June 30, 2017, and $0.3 million and $0.6 million for the three and six months ended June 30, 2016, respectively.