| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 01/26/12 | Current report filing | 29 | |||
| 01/24/12 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/06/12 | Quarterly report pursuant to Section 13 or 15(d) | ZIP | 43 | ||
| 01/05/12 | Current report filing | 15 | |||
| 01/03/12 | Statement of changes in beneficial ownership of securities | 1 | |||
| 01/03/12 | Statement of changes in beneficial ownership of securities | 1 | |||
| 11/17/11 | SEC-generated letter | 1 | |||
| 11/14/11 | Current report filing | 2 | |||
| 11/04/11 | Statement of changes in beneficial ownership of securities | 1 | |||
| 11/03/11 | Statement of changes in beneficial ownership of securities | 1 |