| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 3, 2025 | Feb 28, 2025 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 10, 2024 | May 10, 2024 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2024 | Feb 23, 2024 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 9, 2023 | Aug 8, 2023 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 27, 2023 | Feb 24, 2023 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 28, 2022 | Feb 25, 2022 | 000-16106 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2021 | Dec 3, 2021 | 000-16106 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 9, 2021 | Dec 3, 2021 | 000-16106 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 17, 2014 | Oct 16, 2014 | 000-13721 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 9, 2014 | Apr 7, 2014 | 000-13721 |
| 4 | Open Document | Open Filing | FORM 4 | Mar 11, 2014 | Mar 7, 2014 | 000-13721 |
| 5 | Open Document | Open Filing | FORM 5 | Jan 17, 2014 | Dec 31, 2013 | 000-13721 |