| | | | | | | Weighted | | | | |
| | | | Weighted | | Average | | | | | |
| | Shares | | Average | | Remaining | | Aggregate | | ||
| | Under | | Exercise | | Contractual | | Intrinsic | | ||
| | Warrants | | Price | | Life | | Value | | ||
| | | | | | | | | | | |
Outstanding at November 30, 2011 | | 10,792,030 | | $ | 0.7769 | | 3.0 years | | $ | - | |
Issued | | - | | | - | | | | | | |
Exercised | | (857,000) | | | 1.0900 | | | | | | |
Expired | | (658,000) | | | 0.6987 | | | | | | |
| | | | | | | | | | | |
Outstanding at November 30, 2012 | | 9,277,030 | | $ | 0.7535 | | 2.2 years | | $ | - | |
Issued | | - | | | - | | | | | | |
Exercised | | (1,088,000) | | | 1.0900 | | | | | | |
Expired | | (360,000) | | | 0.5000 | | | | | | |
| | | | | | | | | | | |
Outstanding at November 30, 2013 | | 7,829,030 | | $ | 0.7184 | | 1.5 years | | $ | - | |