| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/04/11 | 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 | |||
| 01/25/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/21/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/21/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/20/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/20/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/12/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/10/11 | Quarterly report pursuant to Section 13 or 15(d) | 43 | |||
| 01/07/11 | Current report filing | 3 | |||
| 01/06/11 | Current report filing | 19 |