| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/31/07 | ARS | Form ARS: Annual report to security holders | 93 | |
| 12/31/07 | DEF 14A | Form DEF 14A: Definitive proxy statements | 35 | |
| 12/28/07 | S-3 | Form S-3: Registration statement for specified transactions by certain issuers | 64 | |
| 12/17/07 | SC 13D/A | Form SC 13D/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities | 7 | |
| 12/17/07 | 3 | Form 3: Initial statement of beneficial ownership of securities | 2 | |
| 12/12/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/12/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/11/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/10/07 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 3 | |
| 12/10/07 | SC 13G/A | Form SC 13G/A: Schedule filed to report acquisition of beneficial ownership of 5% or more of a class of equity securities by passive investors and certain institutions | 5 |
