| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 08/27/12 | DEF 14A | Form DEF 14A: Definitive proxy statements | 87 | |
| 08/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/16/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/17/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/17/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/17/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/17/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/12/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |