| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Oct 2022 | 24 Oct 2022 | 000-07642 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Dec 2021 | 31 Oct 2021 | 000-07642 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2020 | 12 Feb 2020 | 000-07642 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Dec 2018 | 26 Nov 2018 | 000-07642 |