| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/07/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 07/27/12 | 3 | Initial statement of beneficial ownership of securities | 1 | ||
| 06/22/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/08/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/04/12 | 4 | Statement of changes in beneficial ownership of securities | 1 |