| Warrants Outstanding | | | | | | | |
| Warrant Transaction | | Warrants Outstanding | | Exercise Price | | ||
| 2010 Private Placement | | | 998,096 | | $ | 3.20 | |
| 2013 Private Placement | | | 2,282,754 | | $ | 2.00 | |
| 2013 Fortress Credit Agreement | | | 1,454,545 | | $ | 2.06 | |
| Total Warrants | | | 4,735,395 | | | | |