| Schedule of Concerning Options and Warrants Outstanding and Exercisable |
The following tables summarize
information concerning options and warrants outstanding and exercisable:
| |
|
Stock Options |
|
|
Warrants |
|
|
|
|
|
|
|
| |
|
Weighted |
|
|
Weighted |
|
|
|
|
|
|
|
| |
|
Average |
|
|
Average |
|
|
|
|
|
|
|
| |
|
Shares |
|
|
price per share |
|
|
Shares |
|
|
price per share |
|
|
Shares |
|
|
Total
Exercisable |
|
| Balance outstanding, January 1, 2019 |
|
|
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 |
|
| Granted |
|
|
- |
|
|
|
- |
|
|
|
1,402,730 |
|
|
|
3.50 |
|
|
|
1,402,730 |
|
|
|
|
|
| Exercised |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
|
|
| Expired |
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
- |
|
|
|
|
|
| Forfeited |
|
|
(2,751 |
) |
|
|
3.40 |
|
|
|
- |
|
|
|
- |
|
|
|
(2,751 |
) |
|
|
|
|
| Balance outstanding, March 31, 2020 |
|
|
1,393,551 |
|
|
$ |
0.69 |
|
|
|
11,295,764 |
|
|
$ |
3.50 |
|
|
|
12,689,315 |
|
|
|
11,633,349 |
|
|