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Stock-Based Compensation (Tables)
9 Months Ended
Sep. 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   479,325    29.97 
Forfeited   (56,375)   30.00 
Vested   (119,896)   30.00 
Non-vested 9/30/2020   303,054   $29.96 
Schedule of the fair value of stock options granted
   For the Nine Months Ended
September 30,
 
   2020   2019 
Stock price  $20.51 - $ 51.12    $6.81 - $8.65 
Exercise price  $20.51 - $ 51.12    $9.18 
Dividend yield   0%   0%
Expected volatility   95% - 101%   97%
Risk-free interest rate   0.28% - 1.69%   1.71% - 2.37%
Expected life (in years)   5.27 - 6.08    5.58 - 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   513,400    23.23    30.01    -    - 
Exercised   (57,767)   6.72    9.18           
Forfeited   (52,886)   14.08    18.91    -    - 
Outstanding 9/30/2020   622,339   $20.93   $25.53    9.25   $1,049,496 
                          
Exercisable as of 9/30/2020   86,583   $9.70   $13.24    8.31   $552,391 
Schedule of total stock-based compensation costs
   For the Three Months Ended
September 30,
   For the Nine Months Ended
September 30,
 
   2020   2019   2020   2019 
Restricted stock  $-   $22,500   $-   $67,500 
RSUs   1,307,173    -    5,051,513    - 
Stock options   1,473,629    116,640    2,355,818    250,984 
Total  $2,780,802   $139,140   $7,407,331   $318,484 
Schedule of stock based compensation expense
   For the Three Months Ended
September 30,
   For the Nine Months Ended
September 30,
 
   2020   2019   2020   2019 
Research and development  $158,040   $81,645   $568,678   $175,197 
General and administrative   2,622,762    57,495    6,838,653    143,287 
Total  $2,780,802   $139,140   $7,407,331   $318,484