Net Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2019

Net Loss Per Share

Schedule of calculation of basic and diluted net loss per share attributable to common stockholders

Basic and diluted net loss per share was calculated as follows (in thousands, except share and per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Numerator:
Net Loss	$	(47,015)	$	(26,362)	$	(118,986)	$	(62,012)
Denominator:
Weighted average common shares outstanding, basic and diluted		79,115,305		62,311,111		78,357,791		26,662,233
Net loss per share, basic and diluted	$	(0.59)	$	(0.42)	$	(1.52)	$	(2.33)

Schedule of dilutive securities excluded from computations of diluted weighted average shares outstanding

	September 30,
	2019	2018
Restricted common stock	397,252	2,644,423
Stock options to purchase common stock	15,849,584	14,701,283
	16,246,836	17,345,706