Note 12 - Net Loss Per Share

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

Earnings Per Share [Text Block]

(12) Net Loss per Share

The following table sets forth the computation of the basic and diluted net loss per share for the years ended December 31, 2021 and 2020 (in thousands, except share and per share data):

	Years ended December 31,
	2021			2020
Net loss	$	(12,623	)	$	(15,004	)
Weighted average shares used to compute net loss per share, basic and diluted		16,917,664			10,118,682
Net loss per share, basic and diluted	$	(0.75	)	$	(1.48	)

The following weighted-average outstanding common stock equivalents were excluded from the computation of diluted net loss per share for the periods presented because including them would have been antidilutive:

	December 31,
	2021		2020
Stock options to purchase common stock		1,649,686		1,114,306
Unvested restricted stock units		5,468		8,200
Common stock warrants		2,424,724		2,424,724
Total		4,079,878		3,547,230