Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2019

Computation of Basic and Diluted Net Loss per Share

The following table sets forth the computation of basic and diluted net loss per share (in thousands, except share and per share data):

	Year Ended December 31,
	2019			2018			2017
Numerator
Net loss	$	(276,213	)	$	(67,698	)	$	(57,010	)
Denominator
Weighted average shares outstanding		44,767,581			38,466,233			33,098,571
Less: weighted average shares subject to repurchase		(2,085	)		(79,327	)		(266,057	)
Weighted average shares used to compute basic and diluted net loss per share		44,765,496			38,386,906			32,832,514
Net loss per share, basic and diluted	$	(6.17	)	$	(1.76	)	$	(1.74	)

Summary of Potentially Dilutive Securities Excluded from Computation of Diluted Net Loss per Share

The following outstanding shares of potentially dilutive securities were excluded from the computation of diluted net loss per share for the periods presented because including them would have been antidilutive:

	As of December 31,
	2019		2018		2017
Common stock subject to repurchase		—		9,790		81,373
Options and awards issued and outstanding		5,315,254		3,864,407		2,964,549