| Filing Date | Form | Description | Filing Group | Downloads |
| 02.13.07 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other |  |  |  |  |
| 02.12.07 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other | |  | | |
| 02.08.07 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | | |
| 01.23.07 | SC 13G | A statement of beneficial ownership of common stock by certain persons | Other | | | | |
| 12.21.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 12.01.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.09.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.09.06 | 4 | Statement of changes in beneficial ownership of securities | 3,4,5 | | | | |
| 11.09.06 | 10-Q | Quarterly report which provides a continuing view of a company's financial position | Quarterly Filings | | | | |
| 11.02.06 | 8-K | Report of unscheduled material events or corporate event | Current Reports | | | | |