Derivative Liabilities | ||||||||||||||||
Warrants | Warrants | Warrants | Weighted | |||||||||||||
Class A | Class B | & Purchase Rights | Average | |||||||||||||
Outstanding at December 31, 2012 | 8,327,462 | 8,327,462 | 20,033,021 | $ | 0.234 | |||||||||||
Warrants Granted | 0 | 0 | 972,381 | 0.210 | ||||||||||||
Warrants Expired | (8,327,462 | ) | (8,327,462 | ) | (2,377,167) | 0.256 | ||||||||||
Outstanding at December 31, 2013 | 0 | 0 | 18,628,235 | $ | 0.210 |