| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 07/16/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 07/03/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/07/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/07/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 06/05/13 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 05/24/13 | 4 | Statement of changes in beneficial ownership of securities | 1 |