| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 07 Jun 2021 | ||
| 4 | Open Document | Open Filing | 04 Jun 2021 | 28 May 2021 | 000-54933 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jul 2016 | 18 Jul 2016 | 000-54933 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2016 | 31 Dec 2015 | 000-54933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2016 | 01 Mar 2016 | 000-54933 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2016 | 31 Dec 2015 | 000-54933 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Mar 2016 | 28 Mar 2016 | 000-54933 |
| 5 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 17 Feb 2015 | 31 Dec 2014 | 000-54933 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Oct 2014 | 30 Sep 2014 | 000-54933 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 23 Jun 2014 | 21 Jun 2013 | 000-54933 |