| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 12, 2025 | Dec 11, 2025 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 14, 2025 | Sep 30, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 6, 2025 | Nov 1, 2025 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 14, 2025 | Jun 30, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 7, 2025 | Aug 5, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 6, 2025 | Aug 5, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 4, 2025 | Jul 25, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 1, 2025 | Jul 25, 2025 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 20, 2025 | Mar 31, 2025 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 15, 2025 | Mar 31, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 15, 2025 | May 15, 2025 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 1, 2025 | Dec 31, 2024 | 000-32389 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Apr 1, 2025 | Dec 31, 2024 | 000-32389 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Mar 21, 2025 | Sep 25, 2024 | |
| UPLOAD | Open Document | Open Filing | Mar 7, 2025 | 000-32389 | ||
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A | Mar 6, 2025 | Dec 27, 2024 | 000-32389 |
| CORRESP | Open Document | Open Filing | Mar 5, 2025 | |||
| UPLOAD | Open Document | Open Filing | Feb 28, 2025 | 000-32389 | ||
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A | Feb 19, 2025 | Dec 27, 2024 | 000-32389 |
| 3/A | Open Document | Open Filing | FORM 3A | Feb 13, 2025 | Dec 21, 2024 | |
| 3 | Open Document | Open Filing | FORM 3 | Feb 13, 2025 | Dec 21, 2024 | |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K | Feb 12, 2025 | Dec 21, 2024 | 000-32389 |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2025 | Aug 21, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 | Jan 27, 2025 | Aug 21, 2024 | |
| D | Open Document | Open Filing | Jan 21, 2025 | 021-535748 | ||
| D/A | Open Document | Open Filing | Jan 21, 2025 | 021-477146 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 15, 2025 | Jan 9, 2025 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 7, 2025 | Dec 27, 2024 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 27, 2024 | Sep 30, 2024 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 27, 2024 | Dec 21, 2024 | 000-32389 |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A | Dec 26, 2024 | Nov 1, 2024 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 6, 2024 | Dec 3, 2024 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 4, 2024 | Nov 26, 2024 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 15, 2024 | Sep 30, 2024 | 000-32389 |
| 4/A | Open Document | Open Filing | FORM 4 A | Nov 8, 2024 | Nov 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 8, 2024 | Nov 1, 2024 | 000-32389 |
| 4 | Open Document | Open Filing | FORM 4 | Nov 6, 2024 | Nov 1, 2024 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Oct 4, 2024 | Sep 30, 2024 | 000-32389 |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A | Sep 12, 2024 | Sep 2, 2024 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Sep 5, 2024 | Sep 2, 2024 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 15, 2024 | Jun 30, 2024 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 14, 2024 | Jun 30, 2024 | 000-32389 |
| SC 13D | Open Document | Open Filing | SC 13D | May 23, 2024 | 005-83487 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 22, 2024 | Mar 31, 2024 | 000-32389 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q/A | May 22, 2024 | Sep 30, 2023 | 000-32389 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q/A | May 22, 2024 | Jun 30, 2023 | 000-32389 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q/A | May 22, 2024 | Mar 31, 2023 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 22, 2024 | May 16, 2024 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 20, 2024 | Apr 16, 2024 | 000-32389 |
| 3 | Open Document | Open Filing | FORM 3 | May 14, 2024 | Mar 23, 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | May 14, 2024 | Mar 23, 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | May 14, 2024 | Mar 23, 2023 | |
| 3 | Open Document | Open Filing | FORM 3 | May 14, 2024 | Mar 23, 2023 | |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 14, 2024 | Mar 31, 2024 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 22, 2024 | Dec 31, 2023 | 000-32389 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Mar 29, 2024 | Dec 31, 2023 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 28, 2023 | Sep 30, 2023 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 13, 2023 | Sep 30, 2023 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 27, 2023 | Jun 30, 2023 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Sep 1, 2023 | Aug 31, 2023 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 14, 2023 | Jun 30, 2023 | 000-32389 |
| DEF 14C | Open Document | Open Filing | DEF 14C | Jul 21, 2023 | Jul 21, 2023 | 000-32389 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q/A | Jul 18, 2023 | Mar 31, 2023 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jul 14, 2023 | Mar 31, 2023 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 12, 2023 | May 8, 2023 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 12, 2023 | Mar 31, 2023 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 24, 2023 | Apr 19, 2023 | 000-32389 |
| 10-KT | Open Document | Data | Open Filing | FORM 10-KT | Apr 17, 2023 | Dec 31, 2022 | 000-32389 |
| PRE 14C | Open Document | Open Filing | PRE 14C | Apr 3, 2023 | Mar 31, 2023 | 000-32389 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Mar 30, 2023 | Dec 31, 2022 | 000-32389 |
| D | Open Document | Open Filing | Mar 28, 2023 | 021-477146 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Mar 24, 2023 | Mar 24, 2023 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Mar 23, 2023 | Jan 31, 2023 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Mar 17, 2023 | Jan 31, 2023 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 15, 2022 | Oct 31, 2022 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 17, 2022 | Nov 16, 2022 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Oct 6, 2022 | Jul 31, 2022 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Sep 16, 2022 | Apr 30, 2022 | 000-32389 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Aug 1, 2022 | Apr 30, 2022 | 000-32389 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 9, 2022 | May 5, 2022 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Apr 8, 2022 | Jan 31, 2022 | 000-32389 |
| DEF 14C | Open Document | Open Filing | DEF 14C | Mar 29, 2022 | Mar 28, 2022 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Mar 16, 2022 | Jan 31, 2022 | 000-32389 |
| PRE 14C | Open Document | Open Filing | PRE 14C | Mar 1, 2022 | Mar 1, 2022 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 13, 2021 | Oct 31, 2021 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 28, 2021 | Jul 31, 2021 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Sep 22, 2021 | Apr 30, 2021 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 23, 2021 | Jan 31, 2021 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jul 26, 2021 | Oct 31, 2020 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jul 1, 2021 | Jul 31, 2020 | 000-32389 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 13, 2020 | Jul 27, 2000 | |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Aug 13, 2020 | Apr 30, 2020 | 000-32389 |
| NT 10-K | Open Document | Open Filing | FORM NT 10-K | Aug 3, 2020 | Apr 30, 2020 | 000-32389 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | May 19, 2020 | 005-83487 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | May 13, 2020 | May 5, 2020 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 12, 2020 | Jan 31, 2020 | 000-32389 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 12, 2020 | May 5, 2020 | |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Mar 16, 2020 | Jan 31, 2020 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 26, 2019 | Oct 31, 2019 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Dec 16, 2019 | Oct 31, 2019 | 000-32389 |
| 8-K | Open Document | Open Filing | FORM 8-K | Sep 30, 2019 | Sep 25, 2019 | 000-32389 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2019 | Sep 25, 2019 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Sep 30, 2019 | Sep 25, 2019 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 18, 2019 | Jul 31, 2019 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Sep 16, 2019 | Jul 31, 2019 | 000-32389 |
| 8-K | Open Document | Open Filing | Aug 7, 2019 | Aug 7, 2019 | 000-32389 | |
| SC 13D | Open Document | Open Filing | Jul 25, 2019 | 005-83487 | ||
| 10-K/A | Open Document | Data | Open Filing | 10-KA | Jul 16, 2019 | Apr 30, 2019 | 000-32389 |
| SC 13D | Open Document | Open Filing | Jul 16, 2019 | 005-83487 | ||
| SC 13D | Open Document | Open Filing | Jul 16, 2019 | 005-83487 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 12, 2019 | Jun 28, 2019 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 12, 2019 | Jun 28, 2019 | |
| SC 14F1 | Open Document | Open Filing | Jul 11, 2019 | 005-83487 | ||
| 8-K | Open Document | Open Filing | Jul 11, 2019 | Jul 11, 2019 | 000-32389 | |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2019 | May 31, 2019 | |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2019 | May 31, 2019 | |
| 10-K | Open Document | Open Filing | Jun 28, 2019 | Apr 30, 2019 | 000-32389 | |
| 10-Q | Open Document | Data | Open Filing | Mar 14, 2019 | Jan 31, 2019 | 000-32389 | |
| 10-Q | Open Document | Data | Open Filing | Dec 18, 2018 | Oct 31, 2018 | 000-32389 | |
| NT 10-Q | Open Document | Open Filing | Dec 14, 2018 | Oct 31, 2018 | 000-32389 | |
| 8-K/A | Open Document | Open Filing | AMENDMENT NO. 1 TO CURRENT REPORT | Oct 16, 2018 | Oct 5, 2018 | 000-32389 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Oct 12, 2018 | Oct 5, 2018 | 000-32389 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Oct 9, 2018 | Oct 4, 2018 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Sep 21, 2018 | Jul 31, 2018 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NOTIFICATION OF LATE FILING | Sep 14, 2018 | Jul 31, 2018 | 000-32389 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Sep 12, 2018 | Aug 20, 2018 | 000-32389 |
| DEF 14C | Open Document | Open Filing | DEFINITIVE INFORMATION STATEMENT | Sep 11, 2018 | Sep 11, 2018 | 000-32389 |
| PRE 14C | Open Document | Open Filing | PRELIMINARY INFORMATION STATEMENT | Aug 29, 2018 | Aug 23, 2018 | 000-32389 |
| 8-K/A | Open Document | Open Filing | AMENDMENT NO. 2 TO CURRENT REPORT | Aug 28, 2018 | Aug 24, 2018 | 000-32389 |
| 8-K/A | Open Document | Open Filing | AMENDMENT NO. 1 TO CURRENT REPORT | Aug 27, 2018 | Aug 24, 2018 | 000-32389 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Aug 27, 2018 | Aug 24, 2018 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Jul 30, 2018 | Apr 30, 2018 | 000-32389 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | Jun 1, 2018 | 005-83487 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2018 | May 30, 2018 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | May 31, 2018 | May 30, 2018 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | May 30, 2018 | May 23, 2018 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Mar 19, 2018 | Jan 31, 2018 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Dec 18, 2017 | Oct 31, 2017 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NOTIFICATION OF LATE FILING | Dec 15, 2017 | Oct 31, 2017 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Sep 15, 2017 | Jul 31, 2017 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NOTIFICATION OF LATE FILING | Sep 14, 2017 | Jul 31, 2017 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Aug 14, 2017 | Apr 30, 2017 | 000-32389 |
| NT 10-K | Open Document | Open Filing | NOTIFICATION OF LATE FILING | Jul 31, 2017 | Jan 31, 2017 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Mar 21, 2017 | Jan 31, 2017 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | NOTIFICATION OF LATE FILING | Mar 17, 2017 | Jan 31, 2017 | 000-32389 |
| 8-K | Open Document | Open Filing | Dec 19, 2016 | May 24, 2016 | 000-32389 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Dec 15, 2016 | Oct 31, 2016 | 000-32389 |
| DEF 14C | Open Document | Open Filing | Nov 18, 2016 | Nov 21, 2016 | 000-32389 | |
| UPLOAD | Open Document | Open Filing | Nov 8, 2016 | |||
| CORRESP | Open Document | Open Filing | Nov 1, 2016 | |||
| UPLOAD | Open Document | Open Filing | Oct 19, 2016 | |||
| CORRESP | Open Document | Open Filing | Oct 13, 2016 | |||
| UPLOAD | Open Document | Open Filing | Oct 3, 2016 | |||
| PRE 14C | Open Document | Open Filing | Sep 23, 2016 | Sep 23, 2016 | 000-32389 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Sep 14, 2016 | Jul 31, 2016 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Aug 15, 2016 | Apr 30, 2016 | 000-32389 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 5 TO SC 13D | Aug 12, 2016 | 005-83487 | |
| NT 10-K | Open Document | Open Filing | Aug 1, 2016 | Apr 30, 2016 | 000-32389 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jul 11, 2016 | Dec 8, 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2016 | Dec 8, 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 22, 2016 | Dec 8, 2015 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 14, 2016 | Mar 9, 2016 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Mar 21, 2016 | Jan 31, 2016 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | Mar 16, 2016 | Jan 31, 2016 | 000-32389 | |
| 8-K | Open Document | Open Filing | Mar 14, 2016 | Mar 9, 2016 | 000-32389 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Jan 13, 2016 | Oct 31, 2015 | 000-32389 |
| 8-K/A | Open Document | Open Filing | Jan 8, 2016 | Jan 1, 2016 | 000-32389 | |
| 8-K | Open Document | Open Filing | Jan 7, 2016 | Jan 1, 2016 | 000-32389 | |
| 8-K | Open Document | Open Filing | Dec 16, 2015 | Dec 8, 2015 | 000-32389 | |
| SC 14F1 | Open Document | Open Filing | Dec 16, 2015 | 005-83487 | ||
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 16, 2015 | Jul 31, 2015 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Oct 23, 2015 | Apr 30, 2015 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Mar 25, 2015 | Jan 31, 2015 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | 10-Q 12B-25 | Mar 18, 2015 | Jan 31, 2015 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Dec 15, 2014 | Oct 31, 2014 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Sep 16, 2014 | Jul 31, 2014 | 000-32389 |
| NT 10-Q | Open Document | Open Filing | EXTENSION | Sep 16, 2014 | Jul 31, 2014 | 000-32389 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Jul 29, 2014 | Apr 30, 2014 | 000-32389 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Mar 17, 2014 | Jan 31, 2014 | 000-32389 |