Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2018

Balance Sheet Related Disclosures [Abstract]

Summary of Property and Equipment

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

	As of December 31,
	2018			2017
Scientific equipment	$	9,126		$	5,935
Furniture and equipment		1,248			1,064
Capitalized software		302			278
Leasehold improvements		451			331
Total		11,127			7,608
Less: Accumulated depreciation		(5,989	)		(4,461	)
Property and equipment, net	$	5,138		$	3,147

Summary of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	As of December 31,
	2018		2017
Clinical research and development	$	10,903	$	5,981
Payroll-related liabilities		8,151		4,412
Other		1,704		1,246
Total accrued liabilities	$	20,758	$	11,639