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Net Loss Per Share
 9 Months Ended
Sep. 30, 2022
Earnings Per Share [Abstract]  
Net Loss Per Share

 

3.Net Loss Per Share

 

The table below presents common shares underlying stock options and warrants that are excluded from the calculation of the weighted average number of common shares outstanding used for the calculation of diluted net loss per common share. These are excluded from the calculation due to their anti-dilutive effect:

 

                    
   Three Months Ended   Nine Months Ended 
   September 30,   September 30, 
(in thousands)  2022   2021   2022   2021 
Weighted-average anti-dilutive common shares resulting from options   932    692    975    596 
Weighted-average anti-dilutive common shares resulting from warrants   4,933    2,949    5,586    1,651 
    5,865    3,641    6,561    2,247