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Common Stock (Tables)
9 Months Ended
Sep. 30, 2021
Common Stock.  
Schedule of common stock for conversion of preferred stock, exercise of warrants and exercise of stock options

    

September 30, 2021

    

December 31, 2020

Convertible preferred stock (as converted)

 

15,906,537

 

12,528,612

Options issued and outstanding

 

4,318,992

 

4,587,865

Warrants for common stock

 

149,800

 

201,131

Total

 

20,375,329

 

17,317,608