Loss per common share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Summary of computation of basic and diluted loss per common share

The following table sets forth the computation of basic and diluted loss per common share for the periods presented (in thousands, except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
Numerator:
Net loss	$	(42,652	)	$	(51,976	)	$	(82,035	)	$	(108,825	)
Denominator:
Weighted average common shares for basic loss per    common share		394,074			271,876			370,776			271,668
Effect of dilutive securities		—			—			—			—
Weighted average common shares for diluted loss per    common share		394,074			271,876			370,776			271,668
Loss per common share, basic and diluted	$	(0.11	)	$	(0.19	)	$	(0.22	)	$	(0.40	)

Schedule of antidilutive securities excluded from computation of earnings per share

The following table sets forth the outstanding securities as of the periods presented which were not included in the calculation of diluted earnings per common share during the respective three and six months periods then ended (in thousands):

	As of June 30,
	2021		2020
Stock options		23,457		24,590
RSUs		6,378		6,030
PSUs		2,377		2,423
Warrants		5,127		1,783
		37,339		34,826