| Date | Form | Description | XBRL | |
|---|---|---|---|---|
| 05/18/20 | 8-K | Current report filing |   |   | 
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/15/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/11/20 | 4 | Statement of changes in beneficial ownership of securities |   | |
| 05/11/20 | 4 | Statement of changes in beneficial ownership of securities |   |