The following table summarizes certain information regarding our outstanding warrants as of December 31, 2013, 2012 and 2011.
Issuance Date |
|
Expiration Date |
|
Exercise |
|
|
Warrants Outstanding |
|
||||||||||
|
|
|
2013 |
|
|
2012 |
|
|
2011 |
|
||||||||
November 18, 2008 |
|
November 18, 2018 |
|
$ |
2.50 |
|
|
|
1,983,471 |
|
|
|
1,983,471 |
|
|
|
1,983,471 |
|
June 5, 2009 |
|
June 5, 2014 |
|
$ |
2.10 |
|
|
|
371,429 |
|
|
|
371,429 |
|
|
|
371,429 |
|