Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.20.2
Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2020
Stockholders' Equity Note [Abstract]  
Schedule of stock-based compensation
    For the Three Months Ended June 30,     For the Six Months Ended June 30,  
    2020     2019     2020     2019  
Research and development   $ 235,754     $ 237,331     $ 448,183     $ 510,142  
General and administrative     417,373       426,833       1,087,589       917,681  
Total   $ 653,127     $ 664,164     $ 1,535,772     $ 1,427,823  
Schedule of stock option activity
                Weighted Average        
    Stock Options     Exercise Price     Fair Value     Contractual     Aggregate  
    Outstanding     Exercisable     Outstanding     Exercisable     Vested     Life (Years)     Intrinsic Value  
Balance – December 31, 2019     7,632,358       4,542,144     $ 2.21     $ 1.57     $ 1.57       6.44     $      -  
Granted     235,000       -       -       -       -       -       -  
Exercised     (205,841 )     -       -       -       -       -       -  
Cancelled     (213,543 )     -       -       -       -       -       -  
Balance – June 30, 2020     7,447,974       5,074,744     $ 2.06     $ 1.67     $ 1.67       6.27     $ 2,111,409  
Schedule of stock options outstanding and exercisable
Grant Price     Weighted Average     Total     Number     Weighted Average
From     To     Exercise Price     Outstanding     Exercisable     Remaining Contractual Term
$ 0.26     $ 2.02     $ 0.88       3,098,057       2,923,890     3.90 years
$ 2.10     $ 4.60     $ 2.42       3,756,917       1,636,520     8.23 years
$ 5.30     $ 8.86     $ 6.25       593,000       514,334     7.86 years
                  Totals       7,447,974       5,074,744      
Schedule of warrants activity
                Weighted Average        
    Warrants     Exercise Price     Fair Value     Contractual     Aggregate  
    Outstanding     Exercisable     Outstanding     Exercisable     Vested     Life (Years)     Intrinsic Value  
Balance – December 31, 2019     4,907,223       4,907,223     $ 2.40     $ 2.40     $ 1.11       1.55     $         -  
Granted     -       -       -       -       -       -       -  
Exercised     (20,000 )     -       -       -       -       -       -  
Cancelled     -       -       -       -       -       -       -  
Balance – June 30, 2020     4,887,223       4,887,223     $ 2.40     $ 2.40     $ 1.11       1.77     $ 1,036,961