XML 29 R17.htm IDEA: XBRL DOCUMENT v3.21.1
Net Loss Per Common Share
3 Months Ended
Mar. 31, 2021
Net Loss Per Common Share  
Net Loss Per Common Share

10. Net Loss Per Common Share

The following outstanding shares of potentially dilutive securities have been excluded from diluted net loss per common share for the periods presented, because their inclusion would be anti-dilutive:

Three Months Ended March 31, 

    

2021

    

2020

    

Options to purchase common stock

 

2,121,896

 

2,437,124

 

Restricted stock units

485,012

326,903

Common stock warrants

 

49,336

 

27,836

 

Total

 

2,656,244

 

2,791,863