Stockholders' Equity (Tables)
|
6 Months Ended |
Jun. 30, 2018 |
Stockholders' Equity [Abstract] |
|
Schedule of stock-based compensation |
|
|
For the Three Months Ended June 30, |
|
|
For the Six Months Ended June 30, |
|
|
|
2018 |
|
|
2017 |
|
|
2018 |
|
|
2017 |
|
Research and development |
|
$ |
337,730 |
|
|
$ |
76,267 |
|
|
$ |
1,111,389 |
|
|
$ |
142,960 |
|
General and administrative |
|
|
470,740 |
|
|
|
122,184 |
|
|
|
675,789 |
|
|
|
470,004 |
|
Total |
|
$ |
808,470 |
|
|
$ |
198,451 |
|
|
$ |
1,787,178 |
|
|
$ |
612,964 |
|
|
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, 2017 |
|
|
5,691,414 |
|
|
|
3,124,941 |
|
|
$ |
1.16 |
|
|
$ |
0.73 |
|
|
$ |
0.73 |
|
|
|
6.87 |
|
|
$ |
- |
|
Granted |
|
|
758,000 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Exercised |
|
|
(526,683 |
) |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Cancelled |
|
|
(36,459 |
) |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Balance – June 30, 2018 |
|
|
5,886,272 |
|
|
|
3,169,680 |
|
|
$ |
1.98 |
|
|
$ |
0.95 |
|
|
$ |
0.95 |
|
|
|
6.71 |
|
|
$ |
23,595,541 |
|
|
Schedule of stock options outstanding and exercisable |
|
|
|
|
|
|
Weighted |
|
Weighted |
|
|
|
|
Exercise |
|
|
Number |
|
|
Average Remaining |
|
Average |
|
|
Number |
|
Price |
|
|
Outstanding |
|
|
Contractual Term |
|
Exercise Price |
|
|
Exercisable |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ |
0.05 |
|
|
|
52,876 |
|
|
3.76 years |
|
$ |
0.05 |
|
|
|
52,876 |
|
$ |
0.26 |
|
|
|
915,497 |
|
|
5.78 years |
|
$ |
0.26 |
|
|
|
915,497 |
|
$ |
0.73 |
|
|
|
1,131,691 |
|
|
6.38 years |
|
$ |
0.73 |
|
|
|
927,410 |
|
$ |
1.00 |
|
|
|
237,124 |
|
|
7.06 years |
|
$ |
1.00 |
|
|
|
170,458 |
|
$ |
1.10 |
|
|
|
8,000 |
|
|
7.53 years |
|
$ |
1.10 |
|
|
|
4,459 |
|
$ |
1.17 |
|
|
|
22,772 |
|
|
7.37 years |
|
$ |
1.17 |
|
|
|
2,147 |
|
$ |
1.22 |
|
|
|
70,312 |
|
|
7.60 years |
|
$ |
1.22 |
|
|
|
20,833 |
|
$ |
1.50 |
|
|
|
28,000 |
|
|
7.67 years |
|
$ |
1.50 |
|
|
|
11,333 |
|
$ |
1.55 |
|
|
|
1,456,000 |
|
|
7.69 years |
|
$ |
1.55 |
|
|
|
636,750 |
|
$ |
2.02 |
|
|
|
85,000 |
|
|
9.11 years |
|
$ |
2.02 |
|
|
|
46,250 |
|
$ |
2.40 |
|
|
|
926,000 |
|
|
8.59 years |
|
$ |
2.40 |
|
|
|
152,083 |
|
$ |
4.60 |
|
|
|
200,000 |
|
|
9.44 years |
|
$ |
4.60 |
|
|
|
25,000 |
|
$ |
5.30 |
|
|
|
275,000 |
|
|
9.74 years |
|
$ |
5.30 |
|
|
|
103,021 |
|
$ |
6.04 |
|
|
|
278,000 |
|
|
9.89 years |
|
$ |
6.04 |
|
|
|
101,563 |
|
$ |
8.86 |
|
|
|
200,000 |
|
|
8.94 years |
|
$ |
8.86 |
|
|
|
- |
|
|
Totals |
|
|
|
5,886,272 |
|
|
|
|
|
|
|
|
|
3,169,680 |
|
|
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, 2017 |
|
|
4,533,020 |
|
|
|
4,517,395 |
|
|
$ |
1.85 |
|
|
$ |
1.85 |
|
|
$ |
1.00 |
|
|
|
3.21 |
|
|
$ |
- |
|
Granted |
|
|
780,500 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Exercised |
|
|
(274,315 |
) |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Cancelled |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Balance – June 30, 2018 |
|
|
5,039,205 |
|
|
|
5,039,205 |
|
|
$ |
2.37 |
|
|
$ |
2.37 |
|
|
$ |
1.18 |
|
|
|
2.74 |
|
|
$ |
24,057,541 |
|
|