8. Stock Options and Warrants (Tables)
|
12 Months Ended |
Dec. 31, 2019 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |
|
Stock options outstanding |
|
|
Options |
|
|
Weighted Avg. Exercise Price
|
|
Options outstanding, January 1, 2018 |
|
|
35,397,675 |
|
|
$ |
0.23 |
|
Options granted |
|
|
2,083,335 |
|
|
|
0.18 |
|
Options exercised |
|
|
(179,710 |
) |
|
|
0.07 |
|
Options cancelled |
|
|
(2,000,000 |
) |
|
|
0.28 |
|
Options outstanding, December 31, 2018 |
|
|
35,301,300 |
|
|
$ |
0.22 |
|
Options granted |
|
|
4,987,500 |
|
|
|
0.08 |
|
Options exercised |
|
|
(538,197 |
) |
|
|
0.13 |
|
Options cancelled |
|
|
– |
|
|
|
– |
|
Options outstanding, December 31, 2019 |
|
|
39,750,603 |
|
|
$ |
0.20 |
|
|
Options outstanding by Per Share Price |
|
|
Outstanding Options |
|
|
Exercisable Options |
|
Option
Exercise Price
Per Share
|
|
Shares |
|
|
Life (Years) |
|
|
Weighted Average Exercise Price |
|
|
Shares |
|
|
Weighted Average Exercise Price |
|
$ 0.05 - $ 0.24 |
|
|
18,215,553 |
|
|
|
7.6 |
|
|
$ |
0.10 |
|
|
|
18,115,553 |
|
|
$ |
0.10 |
|
$ 0.25 - $ 0.49 |
|
|
20,913,552 |
|
|
|
2.3 |
|
|
|
0.27 |
|
|
|
20,913,552 |
|
|
|
0.27 |
|
$ 0.50 - $ 0.99 |
|
|
471,052 |
|
|
|
4.3 |
|
|
|
0.85 |
|
|
|
471,052 |
|
|
|
0.85 |
|
$ 1.00 - $ 2.00 |
|
|
150,446 |
|
|
|
3.6 |
|
|
|
1.18 |
|
|
|
150,446 |
|
|
|
1.18 |
|
|
|
|
39,750,603 |
|
|
|
4.7 |
|
|
$ |
0.20 |
|
|
|
39,650,603 |
|
|
$ |
0.20 |
|
|
Assumptions used for option valuation |
|
|
Years Ended |
|
|
|
2019 |
|
|
2018 |
|
Expected life (years) |
|
|
5.0 |
|
|
|
5.5 |
|
Risk free interest rate |
|
|
2.4% |
|
|
|
1.70% |
|
Volatility |
|
|
123% |
|
|
|
118% |
|
Expected dividend yield |
|
|
0% |
|
|
|
0% |
|
|
Warrants outstanding |
|
|
Warrants |
|
|
Weighted Avg. Exercise Price
|
|
Warrants outstanding, January 1, 2018 |
|
|
17,622,437 |
|
|
|
0.09 |
|
Warrants granted |
|
|
18,238,688 |
|
|
|
0.05 |
|
Warrants exercised |
|
|
(12,517,773 |
) |
|
|
0.05 |
|
Warrants cancelled |
|
|
(2,287,997 |
) |
|
|
0.05 |
|
Warrants outstanding, December 31, 2018 |
|
|
21,055,355 |
|
|
$ |
0.09 |
|
Warrants granted |
|
|
11,180,084 |
|
|
|
0.07 |
|
Warrants exercised |
|
|
(10,629,493 |
) |
|
|
0.05 |
|
Warrants cancelled |
|
|
(8,540,862 |
) |
|
|
0.07 |
|
Warrants outstanding, December 31, 2019 |
|
|
13,065,084 |
|
|
$ |
0.11 |
|
|
Warrants outstanding by Per Share Price |
|
|
Outstanding Warrants |
|
|
Exercisable Warrants |
|
Warrant Exercise Price Per Share |
|
Shares |
|
|
Life (Years) |
|
|
Weighted Average Exercise Price |
|
|
Shares |
|
|
Weighted Average Exercise Price |
|
$ 0.05 - $ 0.24 |
|
|
10,995,084 |
|
|
|
0.4 |
|
|
$ |
0.07 |
|
|
|
10,961,751 |
|
|
$ |
0.07 |
|
$ 0.25 - $ 0.49 |
|
|
2,000,000 |
|
|
|
1.8 |
|
|
|
0.30 |
|
|
|
2,000,000 |
|
|
|
0.30 |
|
$ 0.50 - $ 1.00 |
|
|
70,000 |
|
|
|
4.3 |
|
|
|
0.80 |
|
|
|
70,000 |
|
|
|
0.80 |
|
|
|
|
13,065,084 |
|
|
|
0.7 |
|
|
$ |
0.11 |
|
|
|
13,031,751 |
|
|
$ |
0.11 |
|
|