| Filing Date | Form | Description | Filing Group | Downloads |
| 02.08.12 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other |  |  |  |  |
| 01.30.12 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other | | | | |
| 01.27.12 | 8-K | Report of unscheduled material events or corporate event | Current Reports | |  | | |
| 12.29.11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.17.11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.16.11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.15.11 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.07.11 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings | | | |  |
| 11.02.11 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | | |
| 10.27.11 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | | |