Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Computation of basic and diluted net loss per share

The following table sets forth the computation of basic and diluted loss per share (in thousands, except per share data):


	Three Months Ended March 31,
	2021		2020
Net loss	$	(8,418)	$	(10,669)
Loss from continuing operations	$	(8,418)	$	(10,390)
Loss from discontinued operations, net of taxes	$	—	$	(279)

Weighted-average common shares outstanding, basic and diluted	98,581		107,024

Loss per share, basic and diluted
Continuing operations	$	(0.09)	$	(0.10)
Discontinued operations	$	0.00	$	0.00

Anti-dilutive shares excluded from the calculation of diluted net loss per share

The following table presents the number of anti-dilutive shares excluded from the calculation of diluted loss per share at March 31, 2021 and 2020 (in thousands):


	March 31,
	2021	2020
Options to purchase common stock	9,855	12,052
Common stock warrants	510	1,459
Non-vested restricted stock unit awards	7,225	10,183
Total shares excluded from net loss per share	17,590	23,694