Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.19.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2019
Stockholders' Equity Note [Abstract]  
Schedule of stock-based compensation
    For the Three Months Ended
June 30,
    For the Six Months Ended
June 30,
 
    2019     2018     2019     2018  
Research and development   $ 237,331     $ 337,730     $ 510,142     $ 1,111,389  
General and administrative     426,833       470,740       917,681       675,789  
Total   $ 664,164     $ 808,470     $ 1,427,823     $ 1,787,178  
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, 2018     5,488,282       4,384,294     $ 2.10     $ 1.32     $ 1.32       5.80     $ -  
Granted     2,579,000       -       -       -       -       -       -  
Exercised     (233,214 )     -       -       -       -       -       -  
Cancelled     (92,254 )     -       -       -       -       -       -  
Balance – June 30, 2019     7,741,814       4,540,410     $ 2.15     $ 1.45     $ 1.45       6.27     $ 2,768,087  
Schedule of stock options outstanding and exercisable
Grant Price     Weighted Average     Total     Number     Weighted Average Remaining Contractual  
From     To     Exercise Price     Outstanding     Exercisable     Term  
$ 0.26     $ 2.02     $ 0.89       3,299,604       3,281,062       4.06 years  
$ 2.10     $ 4.60     $ 2.46       3,737,335       850,980       9.15 years  
$ 5.30     $ 8.86     $ 6.60       704,875       408,368       8.86 years  
                  Totals       7,741,814       4,540,410          
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, 2018     4,964,205       4,907,223     $ 2.39     $ 2.39     $ 1.14       2.27     $ -  
Granted     -       -       -       -       -       -       -  
Exercised     (50,000 )     -       -       -       -       -       -  
Cancelled     (6,982 )     -       -       -       -       -       -  
Balance – June 30, 2019     4,907,223       4,907,223     $ 2.40     $ 2.40     $ 1.11       1.80     $ 1,175,115