| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 3, 2023 | Aug 1, 2023 | 001-07265 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2023 | May 26, 2023 | 001-07265 | 
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2022 | Dec 31, 2021 | 001-07265 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 22, 2020 | May 20, 2020 | 001-07265 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 17, 2014 | Oct 16, 2014 | 001-07265 |