| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/29/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/19/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/13/12 | 4 | Statement of changes in beneficial ownership of securities |
|
2 | |
| 03/12/12 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
|
3 | |
| 03/12/12 | DEF 14A | Definitive proxy statements |
|
59 | |
| 03/09/12 | 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 |
