| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Sep 2021 | 06 Sep 2021 | 000-27587 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jan 2016 | 30 Nov 2015 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Nov 2015 | 30 Jun 2015 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jun 2015 | 31 Mar 2015 | 000-54891 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2015 | 31 Dec 2014 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2014 | 02 Jun 2014 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jun 2014 | 27 May 2014 | 000-54891 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | 000-54891 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jan 2014 | 31 Dec 2013 | 000-54891 |