| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 28, 2022 | Nov 23, 2022 | 000-14384 |
| 5/A | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2022 | Dec 31, 2021 | 000-14384 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2022 | Dec 31, 2017 | 000-14384 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 27, 2020 | Jan 7, 2020 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 16, 2020 | Mar 16, 2020 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 13, 2020 | Mar 13, 2020 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 22, 2020 | Jan 7, 2020 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 15, 2017 | Feb 15, 2017 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 14, 2014 | Nov 12, 2014 | 000-14384 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 28, 2014 | May 22, 2014 | 000-14384 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 23, 2014 | May 22, 2014 | 000-14384 |