| Schedule of Concerning Options and Warrants Outstanding and Exercisable |
The following tables summarize
information concerning options and warrants outstanding and exercisable:
| |
|
Stock Options |
|
|
Warrants |
|
|
Total |
|
| |
|
Shares |
|
|
Weighted
Average
price per
share |
|
|
Shares |
|
|
Weighted
Average
price per
share |
|
|
Shares |
|
|
Exercisable |
|
| Balance outstanding, January 1, 2018 |
|
|
247,692 |
|
|
$ |
10.95 |
|
|
|
899,542 |
|
|
$ |
12.03 |
|
|
|
1,147,234 |
|
|
|
1,073,850 |
|
| Granted |
|
|
574,468 |
|
|
|
3.39 |
|
|
|
6,877,948 |
|
|
|
3.50 |
|
|
|
7,452,416 |
|
|
|
|
|
| Exercised |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
|
|
| Expired |
|
|
(334 |
) |
|
|
30.00 |
|
|
|
(12,669 |
) |
|
|
12.00 |
|
|
|
(13,003 |
) |
|
|
|
|
| Forfeited |
|
|
(455,092 |
) |
|
|
7.49 |
|
|
|
- |
|
|
|
- |
|
|
|
(455,092 |
) |
|
|
|
|
| Balance outstanding, December 31, 2018 |
|
|
366,734 |
|
|
$ |
3.39 |
|
|
|
7,764,821 |
|
|
$ |
3.50 |
|
|
|
8,131,555 |
|
|
|
7,792,570 |
|
| Granted |
|
|
1,447,420 |
|
|
|
0.81 |
|
|
|
2,153,214 |
|
|
|
3.50 |
|
|
|
3,600,634 |
|
|
|
|
|
| Exercised |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
|
|
| Expired |
|
|
- |
|
|
|
- |
|
|
|
(25,001 |
) |
|
|
14.82 |
|
|
|
(25,001 |
) |
|
|
|
|
| Forfeited |
|
|
(417,852 |
) |
|
|
3.39 |
|
|
|
- |
|
|
|
- |
|
|
|
(417,852 |
) |
|
|
|
|
| Balance outstanding, December 31, 2019 |
|
|
1,396,302 |
|
|
$ |
0.71 |
|
|
|
9,893,034 |
|
|
$ |
3.52 |
|
|
|
11,289,336 |
|
|
|
10,148,543 |
|
|
| Schedule of Share-based Compensation Stock Option Plans by Exercise Price Range |
| |
|
|
Options Outstanding |
|
|
Options Exercisable |
|
| |
|
|
Weighted Average |
|
|
Weighted Average |
|
Range of
Exercise Prices |
|
|
Number of
Options |
|
|
Remaining
Contractual
Life (Years) |
|
|
Exercise
Price |
|
|
Number of
Options |
|
|
Remaining
Contractual
Life (Years) |
|
|
Exercise
Price |
|
| $ |
0.01 |
|
|
$ |
3.40 |
|
|
|
1,386,302 |
|
|
|
9.7 |
|
|
$ |
0.69 |
|
|
|
245,509 |
|
|
|
9.0 |
|
|
$ |
0.71 |
|
| |
3.41 |
|
|
|
14.99 |
|
|
|
10,000 |
|
|
|
9.4 |
|
|
|
3.50 |
|
|
|
10,000 |
|
|
|
9.4 |
|
|
|
3.50 |
|
| |
|
|
|
|
|
|
|
|
1,396,302 |
|
|
|
9.7 |
|
|
$ |
0.71 |
|
|
|
255,509 |
|
|
|
9.0 |
|
|
$ |
0.82 |
|
|