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Convertible Preferred Stock (Tables)
 6 Months Ended
Jun. 30, 2020
Temporary Equity [Abstract]  
Schedule of Initial Conversion Price per Share for each Series of Convertible Preferred Stock The initial conversion price per share for each series of convertible preferred stock
was
the original issue price applicable to such series as follows:
 
Series
   
Conversion
Price
  
Series A convertible preferred stock
    $ 8.295  
Series B convertible preferred stock
    $ 13.370  
Series C convertible preferred stock
    $ 16.667  
Series D convertible preferred stock
    $ 16.667