| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 02/21/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/16/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/16/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/16/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 02/06/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 01/03/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 01/03/17 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/21/16 | Initial statement of beneficial ownership of securities |   | 2 | ||
| 12/21/16 | Initial statement of beneficial ownership of securities |   | 2 | ||
| 11/07/16 | Statement of changes in beneficial ownership of securities |   | 1 |