|
Number of Shares Exercisable |
Exercise Price |
Expiration Date |
|||||||
|
Issued to private placement investors in October 2009 |
198,864 | $ | 17.60 |
1/7/2015 |
|||||
|
Issued to private placement investors in July 2011 |
3,750,000 | $ | 3.60 |
7/1/2016 |
|||||
|
Other |
20,000 | $ | 13.80 |
8/1/2015 |
|||||
|
Total warrants outstanding at December 31, 2013 |
3,968,864 | $ | 4.35* | ||||||