Property and Equipment

12 Months Ended

Dec. 31, 2015

Property and Equipment

Property and Equipment

5. Property and Equipment

        Property and equipment and related accumulated depreciation were as follows (in thousands):

		December 31,
	Estimated Useful Life (Years)	2015			2014
Lab equipment	3	$	1,350		$	1,269
Computer equipment	3		166			110
Furniture and fixtures	5		77			30
Leasehold improvements	Lesser of useful life or remaining lease term		261			57
			1,854			1,466
Less accumulated depreciation and amortization			(1,350	)		(1,178	)
Total property and equipment, net		$	504		$	288

        Depreciation and amortization expense was $0.2 million, $0.2 million, and $0.3 million for the years ended December 31, 2015, 2014, and 2013, respectively.