| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13D/A | Open Document | Open Filing | 08 May 2025 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 May 2025 | 06 May 2025 | 000-16867 |
| 4 | Open Document | Open Filing | FORM 4 | 17 Aug 2020 | 13 Aug 2020 | 000-16867 |
| 4 | Open Document | Open Filing | FORM 4 | 28 Mar 2019 | 26 Mar 2019 | 000-16867 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Aug 2017 | 01 Aug 2017 | 000-16867 |