Summary of our Warrant activity and related information for 2011-2013
| Number of Shares Under Warrants | Weighted Average Exercise Price | Weighted Average Remaining Contractual Life in Years | Aggregate Intrinsic Value | |||||||||||||
| Balance at December 31, 2010 | ─ | |||||||||||||||
| Issued | 3,057,627 | $ | 0.36 | 7.9 | $ | 3,483,691 | ||||||||||
| Exercised | ─ | |||||||||||||||
| Expired | ─ | |||||||||||||||
| Cancelled | ─ | |||||||||||||||
| Balance at December 31, 2011 | 3,057,627 | $ | 0.36 | 7.9 | $ | 3,483,691 | ||||||||||
| Issued | 17,332,500 | $ | 1.26 | 4.3 | $ | 31,891,150 | ||||||||||
| Exercised | (8,145,486 | ) | $ | 0.38 | ||||||||||||
| Expired | ─ | |||||||||||||||
| Cancelled | (51,142 | ) | $ | 0.24 | ||||||||||||
| Balance at December 31, 2012 | 12,193,499 | $ | 1.63 | $ | 17,971,994 | |||||||||||
| Issued | 2,100,000 | $ | 2.72 | 4.8 | $ | 5,232,500 | ||||||||||
| Exercised | ─ | |||||||||||||||
| Expired | ─ | |||||||||||||||
| Cancelled | ─ | |||||||||||||||
| Balance at December 31, 2013 | 14,293,499 | $ | 1.79 | 3.9 | $ | 48,932,777 | ||||||||||
| Vested and Exercisable at December 31, 2013 | 13,764,710 | $ | 1.81 | 3.9 | $ | 46,840,559 | ||||||||||