| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2023 | Apr 3, 2023 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 19, 2022 | Jan 14, 2022 | 000-12627 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2021 | Jul 30, 2021 | 000-12627 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 26, 2021 | Jul 23, 2021 | 000-12627 |