| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 04/16/12 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
6 | |
| 04/16/12 | DEF 14A | Definitive proxy statements |
|
67 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 04/02/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/06/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 |
