| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Jan 2022 | 31 Dec 2021 | 000-14384 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2022 | 31 Dec 2021 | 000-14384 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2022 | 31 Dec 2017 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Feb 2016 | 24 Feb 2016 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Feb 2016 | 22 Feb 2016 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2016 | 17 Feb 2016 | 000-14384 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jun 2015 | 09 Jun 2015 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Jun 2015 | 09 Jun 2015 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Aug 2014 | 25 Aug 2014 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jul 2014 | 18 Jul 2014 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Apr 2014 | 23 Apr 2014 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Mar 2014 | 25 Mar 2014 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Mar 2014 | 28 Feb 2014 | 000-14384 |