| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 01/31/08 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 01/30/08 | SC 13G/A | Form SC 13G/A: Statement of Beneficial Ownership by Certain Investors | 5 | |
| 01/24/08 | SC 13G | Form SC 13G: Statement of Beneficial Ownership by Certain Investors | 2 | |
| 01/09/08 | 10-Q | Form 10-Q: Quarterly report [Sections 13 or 15(d)] | 27 | |
| 12/28/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/21/07 | 8-K | Form 8-K: Current report | 15 | |
| 12/21/07 | 8-K | Form 8-K: Current report | 2 | |
| 12/19/07 | 8-K | Form 8-K: Current report | 7 | |
| 11/28/07 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 11/19/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |
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