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Loss Per Share of Common Stock (Tables)
6 Months Ended
Jun. 30, 2020
Loss Per Share of Common Stock  
Schedule of antidilutive securities excluded from the computation of diluted weighted average shares outstanding

June 30,

2020

2019

Convertible preferred stock

    

7,442,400

    

    

Restricted stock

 

21,000

 

32,400

 

Stock options

 

12,899,540

 

6,618,571

 

 

20,362,940

 

6,650,971