| Warrants | Weighted- Average Exercise Price |
|||||||
|
Balance at December 31, 2010 |
— | — | ||||||
|
Granted |
2,909,750 | $ | 1.00 | |||||
|
Expired / Canceled |
— | — | ||||||
|
Exercised |
— | — | ||||||
|
|
|
|||||||
|
Balance at December 31, 2011 |
2,909,750 | $ | 1.00 | |||||
|
Granted |
21,997,182 | $ | 1.04 | |||||
|
Exercised |
(13,532,487 | ) | $ | 0.84 | ||||
|
|
|
|||||||
|
Balance at December 31, 2012 |
11,374,445 | $ | 1.08 | |||||
|
Granted |
— | — | ||||||
|
Exercised |
(7,090,556 | ) | $ | 1.01 | ||||
|
|
|
|||||||
|
Balance at March 31, 2013 |
4,283,889 | $ | 1.17 | |||||
|
|
|
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