| Filings | Description | Filing Date | Downloads |
| 8-K | Current report filing | August 22, 2011 | |
| 4 | Statement of Changes in Beneficial Ownership | August 17, 2011 | |
| 4 | Statement of Changes in Beneficial Ownership | August 16, 2011 | |
| 10-Q | Quarterly Report | August 09, 2011 | |
| 8-K | Current report filing | August 03, 2011 | |
| DEF 14A | Proxy Statement (definitive) | July 06, 2011 | |
| 8-K | Current report filing | June 30, 2011 | |
| 4 | Statement of Changes in Beneficial Ownership | June 01, 2011 | |
| 4 | Statement of Changes in Beneficial Ownership | June 01, 2011 | |
| 424B3 | Prospectus filed pursuant to Rule 424(b)(3) | May 25, 2011 | |
| EFFECT | Effectiveness Order | May 24, 2011 | |
| S-3 | Securities Registration Statement (simplified form) | May 13, 2011 | |
| 10-Q | Quarterly Report | May 10, 2011 | |
| 8-K | Current report filing | April 26, 2011 | |
| 8-K | Current report filing | April 13, 2011 | |
| LETTER | Letter | December 14, 2010 | |
| CORRESP | Correspondence Filing | February 16, 2011 | |
| LETTER | Letter | December 14, 2010 | |
| 8-K | Current report filing | March 24, 2011 | |
| SC 13G/A | Amended Statement of Ownership | February 14, 2011 |
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