Net Loss Per Share

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Net Loss Per Share

Net Loss Per Share

The following outstanding potentially dilutive shares have been excluded from the calculation of diluted net loss per share for the period presented due to their anti-dilutive effect:

	June 30,
	2020	2019
Stock options to purchase common stock	11,051,439	9,287,848
Restricted stock units subject to vesting	2,491,709	1,433,582
Expected shares to be purchased under Employee Stock Purchase Plan	207,129	176,722
Founder's shares of common stock subject to future vesting	10,600,961	16,658,645
Early exercised stock options subject to future vesting	2,364,712	3,619,869
Total	26,715,950	31,176,666