| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/14/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/11/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 02/10/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 01/29/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | 
