| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/19/14 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/19/14 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 02/13/14 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 12/12/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 12/03/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 12/02/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 11/26/13 | 4 | Statement of changes in beneficial ownership of securities | 2 | ||
| 11/25/13 | 3 | Initial statement of beneficial ownership of securities | 1 | ||
| 11/21/13 | 4 | Statement of changes in beneficial ownership of securities | 1 | ||
| 11/07/13 | 4 | Statement of changes in beneficial ownership of securities | 1 |