Basic and Diluted Net Loss per Common Share (Tables)

9 Months Ended

Sep. 30, 2020

Earnings Per Share [Abstract]

Schedule of reconciliation of the numerator and denominator used in computing basic and diluted net loss per common share

The following table provides a reconciliation of the numerator and denominator used in computing basic and diluted net loss attributable to common stockholders per common share:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share amounts)	2020		2019		2020		2019
Numerator:
Net loss attributable to common stockholders	$	(64,011)	$	(61,809)	$	(205,451)	$	(266,659)
Denominator:
Weighted average common shares outstanding — basic and diluted	259,161,799		254,674,422		258,091,170		235,527,540

Schedule of potential shares of common stock that were excluded from the computation as they were anti-dilutive using the treasury stock method

The table below presents potential shares of common stock that were excluded from the computation as they were anti-dilutive using the treasury stock method:

	As of September 30,
(in thousands)	2020	2019
Options to purchase common stock	16,415	17,530
Convertible notes	462	462
Outstanding warrants, convertible to common stock	2,555	2,555
Unvested restricted stock units	7,446	5,840
Total number of potentially issuable shares	26,878	26,387