Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2017

Balance Sheet Related Disclosures [Abstract]

Summary of Property and Equipment

Property and equipment consist of the following (in thousands):

	June 30, 2017			December 31, 2016
Scientific equipment	$	5,418		$	4,858
Furniture and equipment		680			546
Capitalized software		276			237
Leasehold improvements		307			308
Total		6,681			5,949
Less: Accumulated depreciation		(3,825	)		(3,191	)
Property and equipment, net	$	2,856		$	2,758

Summary of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	June 30, 2017		December 31, 2016
Payroll and related expenses	$	2,869	$	3,717
Clinical research and development		6,070		3,981
Other		1,214		992
Total accrued liabilities	$	10,153	$	8,690