| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/29/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/29/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/29/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/29/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/29/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/29/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/28/08 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 10 | |
| 12/20/07 | 8-K | Form 8-K: Current report | 5 | |
| 12/10/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/07/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
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