Balance at December 31, 2011 | 16,745,634 | |||
Granted | 4,100,000 | |||
Expired / cancelled | (436,811 | ) | ||
Exercised | (250,000 | ) | ||
Balance at December 31, 2012 | 20,158,823 | |||
Granted | - | |||
Expired / cancelled | (2,932,677 | ) | ||
Exercised | - | |||
Balance at December 31, 2013 | 17,226,146 |