| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 03/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/11/13 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 01/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |