| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13DA | Dec 11, 2023 | ||
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Dec 8, 2023 | Dec 8, 2023 | 000-27687 |
| 4 | Open Document | Open Filing | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | Jun 20, 2023 | Jun 15, 2023 | 000-27687 |
| 3 | Open Document | Open Filing | INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES | Jun 20, 2023 | Jun 15, 2023 | 000-27687 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Jun 20, 2023 | ||
| SC 13D/A | Open Document | Open Filing | FORM SC 13DA | Oct 19, 2022 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 9, 2022 | ||
| SC 13D | Open Document | Open Filing | SC 13D | Jul 29, 2022 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | May 20, 2022 | ||
| SC 13D | Open Document | Open Filing | SC 13D | May 13, 2022 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Jul 15, 2020 | ||
| SC 13G | Open Document | Open Filing | SC 13G | Jun 25, 2019 | ||
| 4/A | Open Document | Open Filing | FORM 4/A | Sep 28, 2015 | Sep 2, 2015 | 000-50327 |
| 4/A | Open Document | Open Filing | FORM 4/A | Sep 4, 2015 | Sep 2, 2015 | 000-50327 |
| 4 | Open Document | Open Filing | FORM 4 | Sep 3, 2015 | Sep 2, 2015 | 000-50327 |
| 4 | Open Document | Open Filing | FORM 4 | Jul 6, 2015 | Jun 30, 2015 | 000-50327 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 1, 2015 | May 28, 2015 | 000-50327 |
| 3 | Open Document | Open Filing | FORM 3 | Jun 1, 2015 | May 28, 2015 | 000-50327 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 12, 2014 | Sep 10, 2014 | 000-31659 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2014 | Apr 29, 2014 | 000-31659 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 2, 2014 | Apr 29, 2014 | 000-31659 |