| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13D | Open Document | Open Filing | 18 Apr 2025 | |||
| 4 | Open Document | Open Filing | 05 Mar 2025 | 28 Feb 2025 | 000-54319 | |
| 4 | Open Document | Open Filing | 25 Jul 2024 | 23 Jul 2024 | 000-54319 | |
| 4 | Open Document | Open Filing | 25 Aug 2020 | 24 Aug 2020 | 000-27793 | |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 25 Aug 2020 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 May 2020 | ||
| 4 | Open Document | Open Filing | 15 May 2020 | 13 May 2020 | 000-27793 | |
| 4 | Open Document | Open Filing | FORM 4 | 14 Sep 2015 | 10 Sep 2015 | 000-27793 |
| 4 | Open Document | Open Filing | FORM 4 | 09 Sep 2015 | 08 Sep 2015 | 000-27793 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Sep 2015 | 03 Sep 2015 | 000-27793 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Jun 2015 | 18 Jun 2015 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 May 2015 | 27 May 2015 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2015 | 12 May 2015 | 000-27793 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 04 May 2015 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 May 2015 | 29 Apr 2015 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2015 | 02 Mar 2015 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Feb 2015 | 23 Feb 2015 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2015 | 20 Feb 2015 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2015 | 17 Feb 2015 | 000-27793 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2015 | 24 Nov 2014 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Nov 2014 | 24 Nov 2014 | 000-27793 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 16 Oct 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jun 2014 | 02 Jun 2014 | 000-27793 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2014 | 28 May 2014 | 000-27793 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2014 | 28 May 2014 | 000-27793 |