Stockholders' Equity (Tables)
|
3 Months Ended |
Mar. 31, 2018 |
Stockholders' Equity [Abstract] |
|
Schedule of stock-based compensation |
|
|
For the Three Months Ended March 31, |
|
|
|
2018 |
|
|
2017 |
|
Research and development |
|
$ |
773,659 |
|
|
$ |
66,693 |
|
General and administrative |
|
|
205,049 |
|
|
|
347,820 |
|
Total |
|
$ |
978,708 |
|
|
$ |
414,513 |
|
|
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 |
|
|
280,000 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Exercised |
|
|
(249,309 |
) |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Cancelled |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Balance – March 31, 2018 |
|
|
5,722,105 |
|
|
|
3,191,721 |
|
|
$ |
1.41 |
|
|
$ |
0.84 |
|
|
$ |
0.84 |
|
|
|
6.73 |
|
|
$ |
19,706,706 |
|
|
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 |
|
|
4.01 years |
|
$ |
0.05 |
|
|
|
52,877 |
|
$ |
0.26 |
|
|
|
915,497 |
|
|
6.03 years |
|
$ |
0.26 |
|
|
|
915,497 |
|
$ |
0.73 |
|
|
|
1,381,691 |
|
|
6.62 years |
|
$ |
0.73 |
|
|
|
1,135,743 |
|
$ |
1.00 |
|
|
|
287,124 |
|
|
7.31 years |
|
$ |
1.00 |
|
|
|
200,457 |
|
$ |
1.10 |
|
|
|
8,000 |
|
|
7.78 years |
|
$ |
1.10 |
|
|
|
3,833 |
|
$ |
1.17 |
|
|
|
31,605 |
|
|
7.62 years |
|
$ |
1.17 |
|
|
|
6,605 |
|
$ |
1.22 |
|
|
|
70,312 |
|
|
7.85 years |
|
$ |
1.22 |
|
|
|
13,021 |
|
$ |
1.50 |
|
|
|
28,000 |
|
|
7.92 years |
|
$ |
1.50 |
|
|
|
8,834 |
|
$ |
1.55 |
|
|
|
1,456,000 |
|
|
7.94 years |
|
$ |
1.55 |
|
|
|
566,000 |
|
$ |
2.02 |
|
|
|
85,000 |
|
|
9.36 years |
|
$ |
2.02 |
|
|
|
40,000 |
|
$ |
2.40 |
|
|
|
926,000 |
|
|
8.84 years |
|
$ |
2.40 |
|
|
|
145,833 |
|
$ |
4.60 |
|
|
|
200,000 |
|
|
9.69 years |
|
$ |
4.60 |
|
|
|
12,500 |
|
$ |
5.30 |
|
|
|
280,000 |
|
|
9.99 years |
|
$ |
5.30 |
|
|
|
90,521 |
|
|
Totals |
|
|
|
5,722,105 |
|
|
|
|
|
|
|
|
|
3,191,721 |
|
|
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 |
|
|
428,500 |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Exercised |
|
|
(267,333 |
) |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Cancelled |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
Balance – March 31, 2018 |
|
|
4,694,187 |
|
|
|
4,694,187 |
|
|
$ |
2.14 |
|
|
$ |
2.14 |
|
|
$ |
1.12 |
|
|
|
2.99 |
|
|
$ |
14,977,413 |
|
|