| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/08/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/08/13 | 4/A | Statement of changes in beneficial ownership of securities |   | 2 | |
| 08/05/13 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 08/05/13 | 4 | Statement of changes in beneficial ownership of securities |   | 1 | |
| 08/05/13 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 07/03/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 05/07/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/02/13 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/02/13 | 3 | Initial statement of beneficial ownership of securities |   | 2 | |
| 12/19/12 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
