| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2024 | Dec 30, 2024 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 27, 2023 | Dec 27, 2023 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2022 | May 25, 2022 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2021 | May 13, 2021 | 000-20914 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 12, 2020 | Mar 12, 2020 | 000-20914 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 000-20914 |