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Note 7 - Net Loss Per Share
 6 Months Ended
Jun. 30, 2022
Notes to Financial Statements  
Earnings Per Share [Text Block]

7.         Net Loss Per Share

 

Basic and diluted loss per common share are computed based on the weighted average number of common shares outstanding, including the May 2022 Pre-Funded Warrants outstanding at June 30, 2022. The Company’s additional potentially dilutive securities, which include stock options and stock purchase warrants, have been excluded from the computation of diluted net loss per share as the effect would be antidilutive. The securities that could potentially dilute basic earnings per share in the future and that have been excluded from the computation of diluted net loss per share totaled 18,967,629 and 3,395,635 shares at June 30, 2022 and 2021, respectively.