| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13D/A | Open Document | Open Filing | 05 May 2025 | |||
| SC 13D | Open Document | Open Filing | FORM SC 13D | 05 Jul 2024 | ||
| 3 | Open Document | Open Filing | 05 Jul 2024 | 03 Jul 2024 | 000-24970 | |
| 4 | Open Document | Open Filing | 12 Dec 2018 | 02 Dec 2018 | 000-55414 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 TO SCHEDULE 13D | 31 Jul 2018 | ||
| 4 | Open Document | Open Filing | 31 Jul 2018 | 30 Jul 2018 | 000-55414 | |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13D | 13 Jan 2017 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 09 Jan 2017 | 30 Nov 2016 | 000-55414 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13D | 15 Jun 2016 | ||
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 14 Jun 2016 | 13 Jun 2016 | 000-55414 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13D | 23 Feb 2016 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT TO FORM SC 13D | 17 Feb 2016 | ||
| SC 13D | Open Document | Open Filing | 09 Apr 2015 | |||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2015 | 02 Apr 2015 | 000-55414 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2014 | 21 Mar 2014 | 000-51638 |
| SC 13D | Open Document | Open Filing | 14 Feb 2014 |