| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 7, 2023 | Dec 31, 2022 | 001-39442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2022 | May 18, 2022 | 001-39442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 20, 2022 | May 18, 2022 | 001-39442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 19, 2022 | May 18, 2022 | 001-39442 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2022 | Dec 31, 2021 | 001-39442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2021 | May 19, 2021 | 001-39442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2021 | May 15, 2021 | 001-39442 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2021 | Dec 31, 2020 | 001-39442 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 24, 2020 | May 27, 2020 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 22, 2020 | May 19, 2020 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 29, 2020 | May 27, 2020 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 21, 2020 | May 20, 2020 | 000-08467 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2020 | Dec 31, 2019 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 2, 2019 | May 28, 2019 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 17, 2019 | May 15, 2019 | 000-08467 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 11, 2019 | Dec 31, 2018 | 000-08467 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2019 | May 16, 2018 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 15, 2018 | Jun 13, 2018 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2018 | May 16, 2018 | 000-08467 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 1, 2018 | Dec 31, 2017 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2017 | May 16, 2017 | 000-08467 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 26, 2017 | Dec 31, 2016 | 000-08467 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 27, 2016 | May 25, 2016 | 000-08467 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 9, 2016 | Dec 31, 2015 | 000-08467 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 10, 2015 | Jul 30, 2015 | 000-08467 |