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7. Outstanding Warrants (Tables) | 6 Months Ended
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Jun. 30, 2013
Outstanding Warrants Tables |
Schedule of warrant activity | A summary of warrant activity for the three and six months ended June 30, 2013 follows:
|  | Warrants Outstanding & Exercisable |  |  | Weighted - Average Exercise Price |  |  | Average Remaining Term in Years |
Outstanding December 31, 2012 |  |  | 1,806,923 |  |  | $ | 0.27 |  |  |  | 2.67 |
Expired |  |  | (1,390 | ) |  |  | 0.001 |  |  |  |  |
Granted |  |  | 1,253,101 |  |  |  | 0.001 |  |  |  |  |
Exercised |  |  | (1,448,610 | ) |  |  | 0.001 |  |  |  |  |
Outstanding March 31, 2013 |  |  | 1,610,024 |  |  | $ | 0.30 |  |  |  | 2.14 |
Expired |  |  | (285,234 | ) |  |  | 1.20 |  |  |  |  |
Granted |  |  | 2,415,338 |  |  |  | 0.26 |  |  |  |  |
Exercised |  |  | (1,184,171 | ) |  |  | 0.03 |  |  |  |  |
Outstanding June 30, 2013 |  |  | 2,555,957 |  |  | $ | 0.29 |  |  |  | 5.57 |

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