| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 21, 2022 | Jun 17, 2022 | 000-54483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 13, 2022 | Jun 10, 2022 | 000-54483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 8, 2022 | Jun 8, 2022 | 000-54483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2021 | May 12, 2021 | 000-54483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 8, 2021 | Apr 8, 2021 | 000-54483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 11, 2020 | Mar 11, 2020 | 000-54483 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2020 | Dec 31, 2019 | 000-54483 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 18, 2019 | Nov 18, 2019 | 000-54483 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 6, 2019 | Feb 25, 2019 | 000-54483 |