| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Oct 5, 2021 | Feb 14, 2021 | 000-56199 |
| 3/A | Open Document | Open Filing | FORM 3/A SUBMISSION | Oct 5, 2021 | Oct 23, 2020 | 000-56199 |
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 23, 2020 | Oct 23, 2020 | 000-56199 |