| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13D/A | Open Document | Open Filing | Sep 5, 2025 | |||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13D | Jul 18, 2024 | ||
| 4 | Open Document | Open Filing | Jul 17, 2024 | Jul 15, 2024 | 000-51481 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 10, 2018 | Jun 15, 2018 | 000-51481 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2018 | May 29, 2018 | 000-51481 |
| 4 | Open Document | Open Filing | FORM 4 | Apr 23, 2018 | Apr 20, 2018 | 000-20970 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Apr 3, 2018 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D AMENDMENT NO. 1 | Mar 26, 2018 | ||
| D/A | Open Document | Open Filing | Mar 8, 2017 | 021-254583 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 9, 2016 | Nov 3, 2016 | 000-20970 |
| SC 13D | Open Document | Open Filing | SC 13D | Nov 9, 2016 | ||
| D/A | Open Document | Open Filing | Mar 16, 2016 | 021-254583 | ||
| D | Open Document | Open Filing | Jan 6, 2016 | 021-254583 |