| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2024 | Jun 12, 2024 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 14, 2023 | Dec 13, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2023 | Jun 14, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 21, 2015 | Sep 18, 2015 | 000-15204 |