| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/16/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 12/16/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 12/16/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 12/02/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 11/12/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 09/10/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 07/22/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/18/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/17/13 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/17/13 | Statement of changes in beneficial ownership of securities |   | 2 | 
