| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/02/18 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 08/02/18 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 08/02/18 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/15/18 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 06/12/18 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/12/18 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 06/11/18 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 06/08/18 | Initial statement of beneficial ownership of securities |   | 2 | ||
| 11/13/17 | Statement of changes in beneficial ownership of securities |   | 2 | ||
| 08/11/17 | Statement of changes in beneficial ownership of securities |   | 2 |