v3.20.2
Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2020
Stockholders' Equity Note [Abstract]  
Schedule of preferred stock
   As of September 30, 2020   As of December 31, 2019 
   Preferred Shares Outstanding   Liquidation Preference (Per Share)   Total Liquidation Preference   Preferred Shares Outstanding   Liquidation Preference (Per Share)   Total Liquidation Preference 
Series C-3   52,000   $10.00000   $520,000    52,000   $

10.00000

   $520,000 
Series E   89,623   $49.20000   $4,409,452    89,623   $

49.20000

   $4,409,452 
Series G   100,000   $187.36452   $18,736,452    100,000   $187.36452   $18,736,452 
                               
Total   241,623        $23,665,904    241,623        $23,665,904 

 

Schedule of fair value assumptions for black sholes
Expected term, years   5 - 10
Volatility   102.73% - 107.87%
Dividend yield   0.0%
Risk-free interest rate   0.27% - 1.67%
Weighted average grant date fair value of options granted during the period   $3.58

 

Schedule of option activity under plan and related information
   Shares   Weighted Average
Exercise Price
   Weighted Average
Remaining Contractual Term (Years)
  

Aggregate Intrinsic Value

 
Outstanding at beginning of period   1,376,394   $8.98    6.8   $

799,379

 
Granted   1,086,984   $5.11        $1,070,717 
Forfeited   (28,800)  $9.01        $
-
 
Expired   (6,891)  $12.53        $
-
 
Exercised   
-
    
-
        $
-
 
Outstanding at end of period   2,427,687   $7.23    7.5   $1,870,096 
Exercisable at end of period   1,251,023   $8.53    5.9   $827,570