| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 14, 2022 | Mar 10, 2022 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 16, 2021 | Dec 14, 2021 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2021 | May 27, 2021 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 24, 2021 | Feb 22, 2021 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 17, 2020 | Dec 15, 2020 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 7, 2020 | Dec 3, 2020 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 25, 2020 | Feb 21, 2020 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 19, 2020 | Feb 14, 2020 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 19, 2019 | Dec 17, 2019 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Jan 1, 2019 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2018 | Dec 20, 2018 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 20, 2018 | Dec 18, 2018 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2018 | Aug 9, 2018 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2018 | Jun 1, 2018 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 23, 2018 | Jan 20, 2018 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2018 | Jan 1, 2018 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 22, 2017 | Dec 20, 2017 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2017 | Nov 13, 2017 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 5, 2017 | Aug 31, 2017 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 1, 2017 | Feb 27, 2017 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 24, 2017 | Jan 20, 2017 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2017 | Jan 1, 2017 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 25, 2016 | May 23, 2016 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2016 | Mar 1, 2016 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2016 | Jan 20, 2016 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Jan 1, 2016 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2015 | Dec 29, 2015 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2015 | Jun 19, 2015 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2015 | May 13, 2015 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2015 | Mar 1, 2015 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2015 | Jan 20, 2015 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 31, 2014 | Dec 29, 2014 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 23, 2014 | Dec 19, 2014 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 5, 2014 | Jun 3, 2014 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2014 | May 26, 2014 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 7, 2014 | Mar 1, 2014 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 4, 2014 | Jan 20, 2014 | 000-23186 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2014 | Jan 1, 2014 | 000-23186 |