10. Stock Options and Warrants (Tables)
|
12 Months Ended |
Dec. 31, 2015 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |
|
Stock options outstanding |
|
|
Weighted
Avg. Options
|
|
|
Weighted
Avg. Exercise
Price
|
|
Options, January 1, 2013 |
|
|
27,278,098 |
|
|
$ |
0.27 |
|
Options granted |
|
|
207,819 |
|
|
|
1.17 |
|
Options exercised |
|
|
(115,000 |
) |
|
|
0.60 |
|
Options forfeited |
|
|
(7,061,009 |
) |
|
|
0.25 |
|
Options, December 31, 2013 |
|
|
20,309,908 |
|
|
$ |
0.28 |
|
Options granted |
|
|
852,122 |
|
|
|
0.80 |
|
Options exercised |
|
|
(20,000 |
) |
|
|
0.30 |
|
Options forfeited |
|
|
(90,000 |
) |
|
|
0.91 |
|
Options, December 31, 2014 |
|
|
21,052,030 |
|
|
$ |
0.20 |
|
Options granted |
|
|
838,552 |
|
|
|
0.46 |
|
Options exercised |
|
|
|
|
|
|
|
|
Options forfeited |
|
|
(355,434 |
) |
|
|
0.72 |
|
Options, December 31, 2015 |
|
|
21,535,148 |
|
|
$ |
0.30 |
|
|
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
|
|
$ 0.21 - $ 0.99 |
|
|
|
21,343,280 |
|
|
|
5.2 |
|
|
$ |
0.29 |
|
|
|
20,408,283 |
|
|
$ |
0.29 |
|
$ 1.00 - $ 1.99 |
|
|
|
191,868 |
|
|
|
4.2 |
|
|
$ |
1.22 |
|
|
|
263,229 |
|
|
$ |
1.20 |
|
|
|
|
|
21,535,148 |
|
|
|
|
|
|
$ |
0.30 |
|
|
|
20,671,512 |
|
|
$ |
0.30 |
|
|
Assumptions |
|
|
Years
Ended |
|
|
2015 |
|
2014 |
|
2013 |
Expected life (years) |
|
5.0 5.5 |
|
|
1.5 5.5 |
|
|
1.5 5.5 |
|
Risk free interest
rate |
|
1.56
1.72 |
% |
|
0.12
1.70 |
% |
|
0.34
1.65 |
% |
Volatility |
|
106 121 |
% |
|
123 135 |
% |
|
127 130 |
% |
Expected dividend
yield |
|
0 |
% |
|
0 |
% |
|
0 |
% |
|
Warrants outstanding |
|
|
Warrants |
|
|
Weighted
Avg. Exercise
Price
|
|
Warrants outstanding, January 1, 2013 |
|
|
42,205,507 |
|
|
$ |
0.31 |
|
Warrants granted |
|
|
150,000 |
|
|
|
0.30 |
|
Warrants exercised |
|
|
(29,037,389 |
) |
|
|
0.29 |
|
Warrants cancelled |
|
|
(1,554,152 |
) |
|
|
0.33 |
|
Warrants outstanding, December 31, 2013 |
|
|
11,763,966 |
|
|
$ |
0.34 |
|
Warrants granted |
|
|
761,037 |
|
|
|
0.71 |
|
Warrants exercised |
|
|
(4,690,947 |
) |
|
|
0.30 |
|
Warrants cancelled |
|
|
(2,141,969 |
) |
|
|
0.46 |
|
Warrants outstanding, December 31, 2014 |
|
|
5,692,087 |
|
|
$ |
0.36 |
|
Warrants granted |
|
|
1,796,667 |
|
|
|
0.20 |
|
Warrants exercised |
|
|
(200,000 |
) |
|
|
0.25 |
|
Warrants cancelled |
|
|
(2,877,087 |
) |
|
|
0.36 |
|
Warrants outstanding, December 31, 2015 |
|
|
4,411,667 |
|
|
$ |
0.31 |
|
|
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
|
|
$ 0.25 - $ 0.99 |
|
|
|
4,291,667 |
|
|
|
3.2 |
|
|
$ |
0.36 |
|
|
|
4,291,667 |
|
|
$ |
0.34 |
|
$ 1.00 - $ 1.99 |
|
|
|
120,000 |
|
|
|
0.0 |
|
|
$ |
1.01 |
|
|
|
120,000 |
|
|
$ |
1.01 |
|
|
|
|
|
4,411,667 |
|
|
|
|
|
|
$ |
0.38 |
|
|
|
4,411,667 |
|
|
$ |
0.35 |
|
|