Property and Equipment

12 Months Ended

Dec. 31, 2016

Property and Equipment

Property and Equipment

6. Property and Equipment

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

		December 31,
	Estimated Useful Life (Years)	2016			2015
Lab equipment	3	$	1,565		$	1,350
Computer equipment	3		166			166
Furniture and fixtures	5		77			77
Leasehold improvements	Lesser of useful life or remaining lease term		259			261
			2,067			1,854
Less accumulated depreciation and amortization			(1,499	)		(1,350	)
Total property and equipment, net		$	568		$	504

        Depreciation and amortization expense was $0.4 million, $0.2 million and $0.2 million for the years ended December 31, 2016, 2015 and 2014, respectively.