Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Computation of basic and diluted net loss per share

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

	Three Months Ended March 31,
	2020		2019
Net loss	$	(10,669)	$	(14,365)
Weighted-average common shares outstanding	107,024		104,788
Net loss per share - basic and diluted	$	(0.10)	$	(0.14)

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 net loss per share at March 31, 2020 and 2019 (in thousands):

	Three Months Ended March 31,
	2020	2019
Options to purchase common stock	12,052	13,965
Common stock warrants	1,459	1,459
Non-vested restricted stock unit awards	10,183	7,609
Total shares excluded from net loss per share	23,694	23,033