| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 04/09/13 | DEFR14A | Form DEFR14A: Definitive revised proxy soliciting materials | 2 | |
| 04/08/13 | DEF 14A | Form DEF 14A: Definitive proxy statements | 53 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/03/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 04/02/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |