| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/31/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/26/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/10/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 10/02/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/28/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 08/24/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |