A summary of warrants issued, exercised and expired during the year ending December 31, 2013 is as follows:
|
| Shares |
|
| WeightedAverageExercisePrice |
|
| AggregateIntrinsicValue |
| |||
Balance at December 31, 2012 |
|
| 6,050,999 |
|
| $ | 1.12 |
|
| $ | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Issued |
|
| 1,975,000 |
|
|
| .29 |
|
|
| |
|
Expired |
|
| (439,999 | ) |
|
| (.75 | ) |
|
| |
|
Balance at December 31, 2013 |
|
| 7,586,000 |
|
| $ | .92 |
|
| $ | 45,000 |
|