Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property and equipment and related accumulated depreciation

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

	Estimated Useful Life (Years)	December 31,
		2016			2015
Lab equipment	5	$	457		$	1,961
Furniture and fixtures	4	16			107
Computer equipment	3	73			171
Software	3	28			25
Leasehold improvements	Lesser of useful life or remaining lease term	293			100
		867			2,364
Less accumulated depreciation and amortization		(71		)	(1,957		)
Total property and equipment, net		$	796		$	407