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Net Loss Per Common Share
 3 Months Ended
Mar. 31, 2024
Earnings Per Share [Abstract]  
Net Loss Per Common Share

3. Net Loss Per Common Share

 

Basic and diluted net loss per common share is determined by dividing net loss attributable to common stockholders by the weighted-average common shares outstanding during the period. For all periods presented, the common shares underlying the preferred stock, options, warrants, and restricted stock have been excluded from the calculation because their effect would be anti-dilutive. Therefore, the weighted-average shares outstanding used to calculate both basic and diluted loss per common share are the same.

 

The following table summarizes the potentially-dilutive shares excluded from the diluted weighted-average shares outstanding:

 

         
   March 31, 
   2024   2023 
         
Preferred stock on an as-if-converted to common stock basis   5,052,770    10,958,730 
Options to purchase common stock   3,049,387    2,068,458 
Warrants to purchase common stock   5,517,725    7,266,102 
Restricted common stock   1,958    3,273 
Total   13,621,840    20,296,563 

 

Pre-funded warrant shares of 5,747,787 and zero are included in the computation of basic and diluted net loss per share for the periods ended March 31, 2024, and March 31, 2023, respectively, as the pre-funded warrants are exercisable for nominal consideration.