| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/05/15 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/24/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 12/23/14 | 4 | Statement of changes in beneficial ownership of securities |   | 3 |