| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Mar 2023 | 17 Mar 2023 | 000-15204 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2022 | 25 Apr 2022 | 000-15204 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2017 | 09 May 2017 | 000-15204 |