Net Loss per Share Attributable to Common Stock (Tables)

3 Months Ended

Mar. 31, 2019

Schedule of Basic and Diluted Earnings Per Share

The following table sets forth the calculation of basic and diluted net loss per share attributable to common stock during the periods presented:



	Three Months Ended March 31,
	2019			2018
Numerator
Net loss	$	(67,180	)	$	(36,439	)
Denominator
Weighted average shares - basic and diluted	90,610,416			82,010,913
Net loss per share
Net loss per share - basic and diluted	$	(0.74	)	$	(0.44	)

Summary of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following outstanding shares of common stock equivalents as of March 31, 2019 and 2018 were excluded from the computation of the diluted net loss per share attributable to common stock for the periods presented because their effect would have been anti-dilutive:



	Three Months Ended March 31,
	2019	2018
Stock options	8,713,162	11,821,024
Restricted stock units	3,588,275	1,152,718
Employee stock purchase plan	290,647	156,530
Total	12,592,084	13,130,272