| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | null | May 7, 2025 | Apr 30, 2025 | 001-34643 |
| 3 | Open Document | Open Filing | Sep 10, 2024 | Aug 21, 2024 | 001-34643 | |
| 4 | Open Document | Open Filing | May 4, 2018 | May 2, 2018 | 000-13789 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 7, 2017 | Apr 6, 2017 | 000-13789 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 5, 2017 | Apr 5, 2017 | 000-13789 |
| 4 | Open Document | Open Filing | Feb 3, 2017 | Feb 2, 2017 | 000-13789 | |
| 4 | Open Document | Open Filing | Jan 4, 2017 | Jan 3, 2017 | 000-13789 | |
| 4 | Open Document | Open Filing | Nov 17, 2016 | Nov 15, 2016 | 000-13789 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Jan 4, 2016 | 000-13789 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 7, 2015 | Jan 6, 2015 | 000-13789 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 17, 2014 | Sep 15, 2014 | 000-13789 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 18, 2014 | Apr 16, 2014 | 000-13789 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 6, 2014 | Jan 1, 2014 | 000-13789 |