Net Loss per Common Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Net Loss per Common Share

Net Loss per Common Share

Basic and diluted net loss per common share is computed by dividing net loss by the weighted average number of common shares outstanding. 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:

	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