Net Loss per Common Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The numerator and denominator used in the calculation of basic and diluted net loss per common share are as follows:

	Three months ended September 30,				Nine Months Ended September 30,
(in thousands, except per share data)	2021		2020		2021		2020
Net loss	$	(50,255)	$	(42,130)	$	(147,644)	$	(94,606)
Weighted average common shares outstanding	128,443		122,357		128,084		115,738
Net loss per common share (expressed in $ per share)	$	(0.39)	$	(0.34)	$	(1.15)	$	(0.82)

The Company did not include the securities in the following table in the computation of the net income per common share because the effect would have been anti-dilutive during each period:

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

	Nine months ended September 30,
(in thousands)	2021	2020
Stock options	12,837	11,443
Unvested performance awards	857	—
Unvested restricted units	201	—
Warrants	1,012	1,690
	14,907	13,133