| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Feb 24, 2025 | Feb 20, 2025 | 000-25826 | 
| 4 | Open Document | Open Filing | 4 | Jul 24, 2024 | Jul 22, 2024 | 000-25826 | 
| 3 | Open Document | Open Filing | 3 | Jul 24, 2024 | Jul 19, 2024 | 000-25826 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2022 | Mar 1, 2022 | 001-07784 | 
| 5/A | Open Document | Open Filing | FORM 5/A SUBMISSION | Mar 2, 2022 | Dec 31, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 1, 2022 | Feb 25, 2022 | 001-07784 | 
| 5 | Open Document | Open Filing | FORM 5 SUBMISSION | Feb 11, 2022 | Dec 31, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 10, 2021 | Aug 7, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2021 | Mar 1, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 2, 2021 | Feb 26, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 26, 2021 | Feb 24, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 23, 2021 | Feb 19, 2021 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 3, 2020 | Nov 1, 2020 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 6, 2020 | Jul 1, 2020 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 12, 2020 | Mar 12, 2020 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 3, 2020 | Feb 28, 2020 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 28, 2020 | Feb 26, 2020 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2020 | Feb 19, 2020 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2019 | Nov 1, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jul 3, 2019 | Jul 1, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | May 23, 2019 | May 23, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 6, 2019 | Mar 6, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Mar 4, 2019 | Feb 28, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 21, 2019 | Feb 19, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Feb 5, 2019 | Feb 1, 2019 | 001-07784 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Nov 5, 2018 | Nov 1, 2018 | 001-07784 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Oct 4, 2018 | Sep 28, 2018 | 001-07784 |