| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 12/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/18/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/17/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 12/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 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 | |
| 12/04/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/03/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |