Balance Sheet Components (Tables)

3 Months Ended

Mar. 31, 2019

Balance Sheet Related Disclosures [Abstract]

Summary of Property and Equipment

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

	March 31, 2019			December 31, 2018
Scientific equipment	$	9,679		$	9,126
Furniture and equipment		1,450			1,248
Capitalized software		389			302
Leasehold improvements		524			451
Total		12,042			11,127
Less: Accumulated depreciation		(6,450	)		(5,989	)
Property and equipment, net	$	5,592		$	5,138

Summary of Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2019		December 31, 2018
Clinical research and development	$	12,877	$	10,903
Payroll-related liabilities		4,741		8,151
Other		2,851		1,704
Total accrued liabilities	$	20,469	$	20,758