Net Loss per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule of Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020				2019		2020				2019
	Class A		Class B		Common		Class A		Class B		Common
	(in thousands, except per share data)
Net loss attributable to common stockholders	$	(14,773)	$	(11,362)	$	(19,706)	$	(26,404)	$	(32,477)	$	(36,820)
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted	169,194		130,127		85,683		133,359		164,033		85,382
Net loss per share attributable to common stockholders, basic and diluted	$	(0.09)	$	(0.09)	$	(0.23)	$	(0.20)	$	(0.20)	$	(0.43)

Schedule of Potential Shares of Common Stock Excluded from Computation of Basic and Diluted Net Loss per Share Attributable to Common Stockholders

The potential shares of common stock that were excluded from the computation of diluted net loss per share attributable to common stockholders for the periods presented because including them would have been antidilutive are as follows:

	June 30,
	2020	2019
	(in thousands)
Convertible senior notes	15,363	—
Redeemable convertible preferred stock	—	165,658
Redeemable convertible preferred stock warrants	—	177
Shares subject to repurchase	4,825	6,685
Unexercised stock options	20,085	23,558
Unvested restricted stock and RSUs	7,990	4,149
Shares issuable pursuant to the ESPP	228	—
Total	48,491	200,227