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Stock Based Compensation (Tables)
6 Months Ended
Jun. 30, 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   (84,668)   30.00 
Non-vested 6/30/2020   387,157   $30.00 

Schedule of the fair value of stock options granted
   For the Six Months Ended
June 30,
 
   2020   2019 
Stock price  $24.02 - $ 51.12   $8.65 
Exercise price  $24.02 - $ 51.12   $9.18 
Dividend yield   0%   0%
Expected volatility   95% - 101%   97%
Risk-Free interest rate   0.40% - 1.69%   2.37%
Expected life (in years)   5.27 - 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     219,592     $ 7.29     $ 9.18       9.72     $ -  
Granted     318,700       25.11       32.24       -       -  
Forfeited     (20,000 )     18.47       24.25       -       -  
Outstanding 6/30/2020     518,292     $ 17.57     $ 22.78       9.16     $ 4,604,778  
                                         
Exercisable as of 6/30/2020     94,220     $ 6.75     $ 9.18       8.41     $ 1,897,591  
Schedule of total stock-based compensation costs

   For the Three Months Ended
June 30,
   For the Six Months Ended
June 30,
 
   2020   2019   2020   2019 
Restricted stock  $-   $22,500   $-   $45,000 
RSUs   1,314,668    -    3,744,340    - 
Stock options   514,054    79,962    882,189    134,344 
Total  $1,828,722   $102,462   $4,626,529   $179,344 

Schedule of stock based compensation expense

   For the Three Months Ended
June 30,
   For the Six Months Ended
June 30,
 
   2020   2019   2020   2019 
Research and development  $201,872   $52,479   $410,637   $93,552 
General and administrative   1,626,850    49,983    4,215,892    85,792 
Total  $1,828,722   $102,462   $4,626,529   $179,344