Net Loss Per Share

6 Months Ended

Jun. 30, 2019

Earnings Per Share [Abstract]

Net Loss Per Share

10. NET LOSS PER SHARE

Potentially dilutive securities not included in the calculation of diluted net loss per share because to do so would be anti-dilutive are as follows in common stock equivalent shares (in thousands):

	June 30,
	2019		2018
Convertible preferred stock outstanding		—		14,713
Common stock options		3,040		2,275
Unvested common stock subject to repurchase		50		139
		3,090		17,127