| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | 22 Jun 2023 | 20 Jun 2023 | 000-54218 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Sep 2021 | 07 Feb 2019 | 000-54218 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2018 | 22 Oct 2018 | 000-54218 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Nov 2018 | 22 Oct 2018 | 000-54218 |