| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 02/11/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 02/11/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 01/07/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/19/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/13/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/11/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 12/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 | |
| 11/05/12 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 2 |