A summary of warrant activity for the years
ended December 31, 2019 and December 31, 2018 is presented as follows:
|
|
|
|
|
|
|
|
Weighted |
|
|
|
Weighted |
|
|
|
|
|
Average |
|
|
|
Average |
|
|
|
|
|
Remaining |
|
|
|
Exercise |
|
|
Number of |
|
|
Contractual |
|
|
|
Price |
|
|
Warrants |
|
|
Term in Years |
|
|
|
|
|
|
|
|
|
|
|
Balance as of December 31, 2017 |
|
|
0.74 |
|
|
|
8,016,441 |
|
|
|
1.2 |
|
Expired |
|
|
- |
|
|
|
- |
|
|
|
|
|
Granted |
|
|
- |
|
|
|
- |
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
Cancelled |
|
|
0.72 |
|
|
|
(5,120,078 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Balance as of December 31, 2018 |
|
$ |
0.79 |
|
|
|
2,896,363 |
|
|
|
1.1 |
|
Expired |
|
|
- |
|
|
|
- |
|
|
|
|
|
Granted |
|
|
- |
|
|
|
- |
|
|
|
|
|
Exercised |
|
|
- |
|
|
|
- |
|
|
|
|
|
Cancelled |
|
|
0.87 |
|
|
|
(1,675,363 |
) |
|
|
|
|
|
|
|
- |
|
|
|
|
|
|
|
|
|
Balance as of December 31, 2019 |
|
$ |
0.67 |
|
|
|
1,221,000 |
|
|
|
1.0 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Vested and exercisable as of December 31, 2019 |
|
$ |
0.67 |
|
|
|
1,221,000 |
|
|
|
1.0 |
|
|