| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 07/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 07/20/12 | PRE 14A | Form PRE 14A: Preliminary proxy statement not related to a contested matter or merger/acquisition | 40 | |
| 07/18/12 | 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 |