| Date | Form | Description | XBRL | Pages |
|---|---|---|---|---|
| 11/12/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 05/24/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/25/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/20/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/15/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/13/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 | |
| 03/11/13 | 4 | Form 4: Statement of changes in beneficial ownership of securities | 1 |