| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2025 | 06 Mar 2025 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Mar 2024 | 07 Mar 2024 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Mar 2023 | 09 Mar 2023 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2022 | 20 Oct 2022 | 000-06920 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Oct 2022 | 20 Oct 2022 | 000-06920 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2017 | 27 Apr 2017 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2017 | 31 Jan 2017 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2017 | 26 Jan 2017 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jul 2016 | 27 Jul 2016 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Feb 2016 | 05 Feb 2016 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Feb 2016 | 29 Jan 2016 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Nov 2015 | 06 Feb 2015 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jan 2015 | 28 Jan 2015 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2014 | 03 Nov 2014 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Oct 2014 | 22 Oct 2014 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Feb 2014 | 31 Jan 2014 | 001-03761 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2014 | 23 Jan 2014 | 001-03761 |