K. STOCK OPTIONS AND WARRANTS (Tables)
|
12 Months Ended |
Dec. 31, 2014
|
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
|
Options outstanding and exercisable |
Options
Outstanding |
|
|
Options
Exercisable |
|
Exercise
Prices |
|
|
Number
Outstanding
|
|
|
Weighted
Average
Remaining
Contractual
Life
(Years)
|
|
|
Weighted
Average
Exercise
Price
|
|
|
Number
Exercisable
|
|
|
Weighted
Average
Exercise
Price
|
|
$ |
0.01 - $0.15 |
|
|
|
175,000 |
|
|
|
2.82 |
|
|
$ |
0.14 |
|
|
|
175,000 |
|
|
$ |
0.14 |
|
$ |
0.16 - $0.99 |
|
|
|
1,620,225 |
|
|
|
7.98 |
|
|
|
0.18 |
|
|
|
1,284,791 |
|
|
|
0.18 |
|
$ |
1.00 - $5.60 |
|
|
|
135,000 |
|
|
|
1.53 |
|
|
|
3.29 |
|
|
|
135,000 |
|
|
|
3.29 |
|
|
|
|
|
|
1,930,225 |
|
|
|
7.06 |
|
|
$ |
0.40 |
|
|
|
1,594,791 |
|
|
$ |
0.44 |
|
|
Option activity |
|
|
Number of Shares |
|
|
Weighted Average Price
Per Share |
|
Outstanding at January 1, 2013 |
|
|
1,280,642 |
|
|
$ |
0.62 |
|
Granted |
|
|
504,583 |
|
|
|
0.18 |
|
Exercised |
|
|
|
|
|
|
|
|
Cancelled or expired |
|
|
(50,000 |
) |
|
|
2.69 |
|
Outstanding at December 31, 2013 |
|
|
1,735,225 |
|
|
$ |
0.43 |
|
Granted |
|
|
200,000 |
|
|
|
0.19 |
|
Exercised |
|
|
|
|
|
|
|
|
Cancelled or expired |
|
|
(5,000 |
) |
|
|
3.50 |
|
Outstanding at December 31, 2014 |
|
|
1,930,225 |
|
|
$ |
0.40 |
|
|
Valuation assumptions |
|
|
2014 |
|
|
2013 |
|
Expected life of option (years) |
|
|
10 |
|
|
|
10 |
|
Risk-free interest rate |
|
|
2.77% |
|
|
|
1.72% |
|
Assumed volatility |
|
|
110% |
|
|
|
124% |
|
Expected dividend rate |
|
|
0 |
|
|
|
0 |
|
Expected forfeiture rate |
|
|
0% |
|
|
|
6% |
|
|
Warrants outstanding and exercisable |
|
|
|
Warrants
Outstanding |
|
|
|
|
|
Warrants
Exercisable |
|
Exercise
Prices |
|
|
Number
Outstanding
|
|
|
Weighted
Average
Remaining
Contractual
Life
(Years)
|
|
|
Weighted
Average
Exercise
Price
|
|
|
Number
Exercisable
|
|
|
Weighted
Average
Exercise
Price
|
|
$ |
0.13 |
|
|
|
7,230,778 |
|
|
|
1.11 |
|
|
$ |
0.13 |
|
|
|
7,230,778 |
|
|
$ |
0.13 |
|
|
0.18 |
|
|
|
50,000 |
|
|
|
2.91 |
|
|
|
0.18 |
|
|
|
50,000 |
|
|
|
0.18 |
|
|
0.20 |
|
|
|
250,000 |
|
|
|
6.77 |
|
|
|
0.20 |
|
|
|
250,000 |
|
|
|
0.20 |
|
|
3.00 |
|
|
|
384,755 |
|
|
|
0.83 |
|
|
|
3.00 |
|
|
|
384,755 |
|
|
|
3.00 |
|
|
|
|
|
|
7,915,533 |
|
|
|
1.29 |
|
|
$ |
0.27 |
|
|
|
7,915,533 |
|
|
$ |
0.27 |
|
|
Warrant activity |
|
|
Number of Shares |
|
|
Weighted Average Exercise
Price |
|
Outstanding at January 1, 2013 |
|
|
10,830,416 |
|
|
$ |
0.45 |
|
Issued |
|
|
|
|
|
|
|
|
Exercised |
|
|
(86,472 |
) |
|
|
0.13 |
|
Canceled or expired |
|
|
(1,384,030 |
) |
|
|
1.36 |
|
Outstanding at December 31, 2013 |
|
|
9,359,914 |
|
|
$ |
0.32 |
|
Issued |
|
|
300,000 |
|
|
|
0.20 |
|
Exercised |
|
|
|
|
|
|
|
|
Canceled or expired |
|
|
(1,744,381 |
) |
|
|
0.51 |
|
Outstanding at December 31, 2014 |
|
|
7,915,533 |
|
|
$ |
0.27 |
|
|