10. Stock Options and Warrants (Tables)
|
12 Months Ended |
Dec. 31, 2014
|
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |
|
Stock options outstanding |
|
|
Weighted
Avg. Options |
|
|
Weighted
Avg. Exercise Price |
|
Options, December 31, 2011 |
|
|
24,067,892 |
|
|
$ |
0.30 |
|
Options granted |
|
|
4,858,000 |
|
|
|
0.30 |
|
Options exercised |
|
|
(776,667 |
) |
|
|
0.47 |
|
Options forfeited |
|
|
(871,127 |
) |
|
|
0.98 |
|
Options, December 31, 2012 |
|
|
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 |
|
|
$ |
0.30 |
|
|
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 |
|
|
20,788,801 |
|
|
6.1 |
|
$0.29 |
|
|
18,229,381 |
|
|
$0.28 |
$ 1.00 - $ 1.99 |
|
|
263,229 |
|
|
5.2 |
|
$1.22 |
|
|
263,229 |
|
|
$1.28 |
|
|
|
21,052,030 |
|
|
|
|
$0.30 |
|
|
18,492,610 |
|
|
$0.29 |
|
Assumptions |
|
|
2014 |
|
|
2013 |
|
|
2012 |
|
Expected life (years) |
|
|
1.5
5.5 |
|
|
|
1.5
5.5 |
|
|
|
5.0
7.0 |
|
Risk free interest rate |
|
|
0.12
1.70% |
|
|
|
0.34
1.65% |
|
|
|
0.62
1.27% |
|
Volatility |
|
|
123
135% |
|
|
|
127
130% |
|
|
|
125
140% |
|
Expected dividend yield |
|
|
0% |
|
|
|
0% |
|
|
|
0% |
|
|
Warrants outstanding |
|
|
Warrants |
|
|
Weighted
Avg. Exercise Price |
|
Warrants outstanding, December 31, 2011 |
|
|
49,106,280 |
|
|
$ |
0.32 |
|
Warrants granted |
|
|
9,273,316 |
|
|
|
0.31 |
|
Warrants exercised |
|
|
(12,039,846 |
) |
|
|
0.29 |
|
Warrants cancelled |
|
|
(4,134,243 |
) |
|
|
0.49 |
|
Warrants outstanding, December 31, 2012 |
|
|
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 |
|
|
$ |
0.38 |
|
|
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 |
|
|
5,572,087 |
|
|
3.0 |
|
$0.36 |
|
|
5,177,087 |
|
|
$0.34 |
$ 1.00 - $ 1.99 |
|
|
120,000 |
|
|
1.0 |
|
$1.01 |
|
|
120,000 |
|
|
$1.01 |
|
|
|
5,692,087 |
|
|
|
|
$0.38 |
|
|
5,297,087 |
|
|
$0.35 |
|