Net Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of basic and diluted net loss per share

The following table presents the calculation of basic and diluted net loss per share (in thousands, except per share data).

	Year Ended December 31,
	2019		2018		2017
Net loss	$	(4,552)	$	(221)	$	(8,969)
Weighted-average shares used in computing basic and diluted net loss per share	60,371		58,076		54,946
Basic and diluted net loss per share	$	(0.08)	$	—	$	(0.16)

Schedule of securities excluded from calculation of diluted net loss per share

The following securities were excluded from the calculation of diluted net loss per share because their effect would have been anti-dilutive (in thousands).

	December 31,
	2019	2018	2017
Stock options	2,530	3,122	4,047
Restricted stock units	2,372	2,325	2,033
Common stock warrants	—	—	13
Total	4,902	5,447	6,093