| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) | 
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 4 | Sep 12, 2025 | Sep 11, 2025 | 000-31615 | 
| 4 | Open Document | Open Filing | 4 | Sep 11, 2025 | Sep 9, 2025 | 000-31615 | 
| 4 | Open Document | Open Filing | 4 | Sep 27, 2024 | Sep 25, 2024 | 000-31615 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 23, 2023 | Jun 21, 2023 | 000-31615 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 12, 2022 | Aug 12, 2022 | 000-31615 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Aug 11, 2022 | Aug 9, 2022 | 000-31615 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 17, 2022 | Jun 15, 2022 | 000-31615 | 
| 3 | Open Document | Open Filing | Dec 22, 2021 | Dec 20, 2021 | 001-41160 | |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jun 16, 2021 | Jun 15, 2021 | 000-31615 | 
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | Jan 5, 2021 | Jan 4, 2021 | 000-31615 | 
| 3 | Open Document | Open Filing | FORM 3 SUBMISSION | Jan 5, 2021 | Jan 4, 2021 | 000-31615 | 
| 4 | Open Document | Open Filing | FORM 4 | Oct 28, 2019 | May 30, 2019 | 001-33678 | 
| 4 | Open Document | Open Filing | MADERIS | Jun 4, 2018 | May 31, 2018 | 001-33678 | 
| 4 | Open Document | Open Filing | MADERIS | Jan 4, 2017 | Jan 3, 2017 | 001-33678 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 4, 2016 | Sep 30, 2016 | 001-33004 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2016 | Jun 30, 2016 | 001-33004 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 18, 2016 | May 16, 2016 | 001-33004 | 
| 4 | Open Document | Open Filing | MADERIS | Jan 6, 2016 | Jan 4, 2016 | 001-33678 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2016 | Dec 31, 2015 | 001-33004 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Oct 2, 2015 | Sep 30, 2015 | 001-33004 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 1, 2015 | Jun 30, 2015 | 001-33004 | 
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 9, 2015 | Apr 8, 2015 | 001-33004 | 
| 4 | Open Document | Open Filing | FORM 4 | Apr 1, 2015 | Mar 30, 2015 | 001-33004 | 
| 4 | Open Document | Open Filing | MADERIS ANNUAL RETAINER | Jan 6, 2015 | Jan 2, 2015 | 001-33678 | 
| 4 | Open Document | Open Filing | FORM 4 | Mar 4, 2014 | Feb 28, 2014 | 001-33004 | 
| 4 | Open Document | Open Filing | MADERIS | Jan 31, 2014 | Jan 30, 2014 | 001-33678 | 
| 4 | Open Document | Open Filing | MADERIS ANNUAL GRANT | Jan 9, 2014 | Jan 2, 2014 | 001-33678 |