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Stock Based Compensation (Tables)
3 Months Ended
Mar. 31, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of restricted stock unit activities

   Restricted Stock Units   Weighted Average Grant Date Fair Value 
Non-vested 1/1/2020   -   $    - 
Granted   471,825    30.00 
Vested   (52,917)   30.00 
Non-vested 3/31/2020   418,908   $30.00 

 

Schedule of the fair value of stock options granted
   For the three months ended
March 31,
 
   2020   2019 
Stock price  $30.00 - $ 37.30   $1.65 
Exercise price  $30.00 - $ 37.30    $1.75 
Dividend yield   0%   0%
Expected volatility   101%   97%
Risk-Free interest rate   1.45% - 1.69%    2.37%
Expected life (in years)   6.08    6.02 
Schedule of stock option activities

   Options   Weighted Average Grant Date Fair Value   Weighted Average Exercise Price   Weighted Average Remaining Contractual Term (years)   Aggregate Intrinsic Value 
Outstanding 1/1/2020   219,688   $7.29   $9.18    9.72   $- 
Granted   205,250    26.57    33.34    -    - 
Outstanding 3/31/2020   424,938   $16.30   $20.85    9.25   $3,036,088 
                          
Exercisable as of 3/31/2020   81,370   $6.77   $9.18    8.65   $1,124,533 
Schedule of total stock-based compensation costs

   For the three months ended March 31, 
   2020   2019 
Restricted stock  $-   $22,500 
RSUs   2,429,672    - 
Stock options   368,135    54,382 
Total  $2,797,807   $76,882 
Schedule of stock based compensation expense

   For the three months ended March 31, 
   2020   2019 
Research and development  $208,765   $41,073 
General and administrative   2,589,042    35,809 
Total  $2,797,807   $76,882