| Date | Form | Description | XBRL | Pages | |
|---|---|---|---|---|---|
| 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 | |
| 05/13/19 | 8-K | Current report filing |   | 70 | |
| 05/09/19 | 10-Q | Quarterly report pursuant to Section 13 or 15(d) |   |       | 42 | 
| 04/25/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 | |
| 04/22/19 | 3 | Initial statement of beneficial ownership of securities |   | 1 | |
| 04/02/19 | 4 | Statement of changes in beneficial ownership of securities |   | 2 |