Grant Date | Warrants Issued | | Exercise Price | | Weighted Average Exercise Price | | Expiration Date | | | Exercised | | | Warrants Outstanding | | ||||
| | | | | | | | | | | | | | | | | | |
09/03/2010 | | | 801,885 | | $ | 3.55 | | $ | 2.82 | | 09/03/2015 | | | - | | | 801,885 | |
09/03/2010 | | | 132,116 | | $ | 8.80 | | $ | 8.80 | | 09/03/2015 | | | - | | | 132,116 | |
11/26/2012 | | | 5,293,738 | | $ | 2.40 | | $ | 2.40 | | 10/31/2014 | | | - | | | 5,293,738 | |
12/18/2012 | | | 896,748 | | $ | 2.40 | | $ | 2.40 | | 10/31/2014 | | | - | | | 896,748 | |
11/26/2012 | | | 8,822,887 | | $ | 2.40 | | $ | 2.40 | | 11/26/2017 | | | - | | | 8,822,887 | |
11/26/2012 | | | 261,250 | | $ | 2.64 | | $ | 2.40 | | 11/26/2017 | | | - | | | 261,250 | |
12/18/2012 | | | 1,494,577 | | $ | 2.40 | | $ | 4.00 | | 12/18/2017 | | | - | | | 1,494,577 | |
12/18/2012 | | | 22,500 | | $ | 2.64 | | $ | 2.64 | | 12/18/2017 | | | - | | | 22,500 | |
10/29/2013 | | | 4,455,231 | | $ | 0.01 | | $ | 0.01 | | 10/29/2018 | | | - | | | 4,455,231 | |
10/29/2013 | | | 12,868,585 | | $ | 2.40 | | $ | 2.40 | | 10/31/2014 | | | - | | | 12,868,585 | |
10/29/2013 | | | 12,868,585 | | $ | 4.00 | | $ | 4.00 | | 10/29/2018 | | | - | | | 12,868,585 | |
10/29/2013 | | | 65,650 | | $ | 2.64 | | $ | 2.64 | | 10/29/2018 | | | - | | | 65,650 | |
| | | 47,983,752 | | | | | $ | 2.68 | | | | | - | | | 47,983,752 | |