| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 05/03/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 05/03/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/21/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/11 | Statement of changes in beneficial ownership of securities |
|
2 | ||
| 04/04/11 | Definitive proxy statements |
|
79 | ||
| 03/25/11 | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
4 |