Number of Warrants | Weighted Average Exercise Price | |||||||
Outstanding at January 1, 2011 | - | $ | - | |||||
Issued | - | - | ||||||
Assumed in reverse merger | 1,067,240 | 19.98 | ||||||
Exercised | - | - | ||||||
Expired/cancelled | - | - | ||||||
Outstanding at December 31, 2011 | 1,067,240 | 19.98 | ||||||
Issued | 25,000 | 20.00 | ||||||
Exercised | (17,756 | ) | 7.50 | |||||
Expired/cancelled | (11,216 | ) | 47.04 | |||||
Outstanding at December 31, 2012 | 1,063,268 | 19.91 | ||||||
Issued | - | - | ||||||
Exercised | - | - | ||||||
Expired/cancelled | (4,589 | ) | 18.48 | |||||
Outstanding at December 31, 2013 | 1,058,679 | $ | 19.91 | |||||