| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 08/02/19 | 8-K | Current report filing |   |       | 3 | 
| 07/22/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 07/02/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/13/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/04/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 06/03/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |