| 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 | 27 Aug 2012 | 24 Aug 2012 | 000-14384 |