| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 17, 2023 | Mar 17, 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 25, 2022 | Apr 25, 2022 | 000-15204 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 16, 2017 | May 9, 2017 | 000-15204 |