| Schedule of stock option activities |
| |
|
Number
of Non-vested
Shares
|
|
|
Weighted Average Grant Date Fair Value |
|
| Non-vested, December 31, 2017 |
|
|
- |
|
|
$ |
|
|
| Granted |
|
|
6,483,732 |
|
|
|
0.62 |
|
| Forfeited |
|
|
(485,060 |
) |
|
|
0.85 |
|
| Non-vested, December 31, 2018 |
|
|
5,998,672 |
|
|
|
0.61 |
|
| Granted |
|
|
12,000,000 |
|
|
|
0.05 |
|
| Shares vested |
|
|
(323,373 |
) |
|
|
(0.59 |
) |
| Non-vested, December 31, 2019 |
|
|
17,675,299 |
|
|
$ |
0.23 |
|
|
| Schedule of warrant activities |
| |
|
Number of Options |
|
|
Weighted Average Exercise
Price |
|
|
Weighted Average Remaining Contractual Term
(Years) |
|
|
Aggregate Intrinsic Value |
|
| Balance Outstanding, December 31, 2017 |
|
|
14,894,213 |
|
|
$ |
0.32 |
|
|
|
|
|
|
|
|
|
| Exercised |
|
|
(1,757,032 |
) |
|
|
0.12 |
|
|
|
|
|
|
|
|
|
| Forfeited |
|
|
(1,691,483 |
) |
|
|
0.66 |
|
|
|
|
|
|
|
|
|
| Balance Outstanding, December 31, 2018 |
|
|
11,445,698 |
|
|
|
0.30 |
|
|
|
|
|
|
|
|
|
| Exercised |
|
|
(3,000,000 |
) |
|
|
0.03 |
|
|
|
|
|
|
|
|
|
| Balance Outstanding, December 31, 2019 |
|
|
8,445,698 |
|
|
$ |
0.40 |
|
|
|
6.27 |
|
|
$ |
24,600 |
|
| Exercisable, December 31, 2019 |
|
|
7,653,917 |
|
|
$ |
0.41 |
|
|
|
6.11 |
|
|
$ |
24,600 |
|
| |
|
Number of Warrants |
|
|
Weighted Average Exercise
Price |
|
|
Weighted Average Remaining Contractual Term
(Years) |
|
|
Aggregate Intrinsic Value |
|
| Balance Outstanding December 31, 2018 |
|
|
- |
|
|
$ |
- |
|
|
|
- |
|
|
$ |
- |
|
| Granted |
|
|
2,050,000 |
|
|
|
0.10 |
|
|
|
|
|
|
|
|
|
| Cancelled |
|
|
- |
|
|
|
- |
|
|
|
|
|
|
|
|
|
| Balance Outstanding December 31, 2019 |
|
|
2,050,000 |
|
|
$ |
0.10 |
|
|
|
4.66 |
|
|
$ |
4,400 |
|
| Exercisable, December 31, 2019 |
|
|
2,050,000 |
|
|
$ |
0.10 |
|
|
|
4.66 |
|
|
$ |
4,400 |
|
|