| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Feb 2022 | 31 Dec 2021 | 000-54799 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2019 | 31 Dec 2018 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Oct 2017 | 15 Aug 2017 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Aug 2017 | 08 Feb 2017 | 001-09172 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jul 2017 | 07 Jul 2017 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2017 | 08 Feb 2017 | 000-54799 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 31 Dec 2016 | 000-54799 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Feb 2017 | 01 Mar 2016 | 001-09172 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Feb 2016 | 31 Dec 2015 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Jan 2016 | 22 Jan 2016 | 000-54799 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Dec 2014 | 18 Dec 2014 | 000-54799 |