| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 12/23/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 07/25/19 | Initial statement of beneficial ownership of securities |   | 3 | ||
| 06/06/19 | Statement of changes in beneficial ownership of securities |   | 1 | ||
| 03/11/19 | Initial statement of beneficial ownership of securities |   | 2 |