| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/15/12 | 4/A | Form 4/A: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 11/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 09/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/30/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |