| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Aug 30, 2024 | ||
| 4 | Open Document | Open Filing | 4 | Aug 30, 2024 | Dec 28, 2022 | 000-31164 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Sep 16, 2022 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 16, 2022 | Sep 14, 2022 | 000-31164 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 15, 2018 | Jun 7, 2018 | 000-31164 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Dec 15, 2017 | Dec 13, 2017 | 000-31164 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 21, 2017 | Aug 16, 2017 | 000-31164 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Dec 6, 2016 | ||
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Nov 22, 2016 | Nov 15, 2016 | 000-31164 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | Oct 13, 2016 | ||
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Sep 13, 2016 | Sep 9, 2016 | 000-31164 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 25, 2016 | Aug 23, 2016 | 000-31164 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2015 | Aug 12, 2015 | 000-31164 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 18, 2014 | Aug 14, 2014 | 000-31164 |