| 2013 Outstanding Warrants | Warrants Exercisable | |||||||||||||||||||||
| Range of Exercise Price |
Number Outstanding at July 31, 2013 |
Weighted Average Remaining Contractual Life |
Weighted Average Exercise Price |
Number Exercisable at July 31, 2013 |
Weighted Average Exercise Price |
|||||||||||||||||
| $ | - | - | - | $ | - | - | $ | - | ||||||||||||||
| 2012 Outstanding Warrants | Warrants Exercisable | |||||||||||||||||||||
| Range of Exercise Price |
Number Outstanding at July 31, 2012 |
Weighted Average Remaining Contractual Life |
Weighted Average Exercise Price |
Number Exercisable at July 31, 2012 |
Weighted Average Exercise Price |
|||||||||||||||||
| $ | 76 - $240 | 4,271 | 0.22 years | $ | 158 | 4,271 | $ | 158 | ||||||||||||||