| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 14, 2025 | Nov 14, 2025 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 14, 2025 | Sep 30, 2025 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4, 09-15-25 | Sep 15, 2025 | Sep 11, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 09-10-2025 | Sep 10, 2025 | Sep 8, 2025 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 14, 2025 | Aug 14, 2025 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 14, 2025 | Jun 30, 2025 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 8, 2025 | Aug 4, 2025 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4, LEH 07-30-25 | Jul 30, 2025 | Jun 11, 2025 | |
| 3 | Open Document | Open Filing | FORM 3, LEH 6-20-25 | Jul 30, 2025 | Feb 15, 2012 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jul 1, 2025 | Jun 26, 2025 | 000-15905 |
| DEF 14A | Open Document | Data | Open Filing | FORM DEF 14A | May 16, 2025 | Dec 31, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 15, 2025 | May 15, 2025 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 15, 2025 | Mar 31, 2025 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4 04-11-2025 | Apr 11, 2025 | Apr 9, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 | Apr 8, 2025 | Apr 4, 2025 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 2, 2025 | Apr 1, 2025 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 1, 2025 | Dec 31, 2024 | 000-15905 |
| NT 10-K | Open Document | Open Filing | FORM NT 10-K | Apr 1, 2025 | Dec 31, 2024 | 000-15905 |
| 3 | Open Document | Open Filing | FORM 3, MCDOUGALL 1-22-25 | Jan 22, 2025 | Dec 31, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 01-17-2025 | Jan 17, 2025 | Jan 15, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 01-17-2025 | Jan 17, 2025 | Jan 15, 2025 | |
| 4 | Open Document | Open Filing | FORM 4 01-07-2025 | Jan 7, 2025 | Jan 3, 2025 | |
| UPLOAD | Open Document | Open Filing | Dec 19, 2024 | 000-15905 | ||
| 4 | Open Document | Open Filing | FORM 4 12-19-2024 | Dec 19, 2024 | Dec 17, 2024 | |
| CORRESP | Open Document | Open Filing | Dec 17, 2024 | |||
| 4 | Open Document | Open Filing | FORM 4 12-05-2024 | Dec 5, 2024 | Dec 3, 2024 | |
| UPLOAD | Open Document | Open Filing | Dec 4, 2024 | 000-15905 | ||
| 4 | Open Document | Open Filing | FORM 4 11-26-2024 | Nov 26, 2024 | Nov 25, 2024 | |
| 4 | Open Document | Open Filing | FORM 4 11-21-2024 | Nov 21, 2024 | Nov 19, 2024 | |
| CORRESP | Open Document | Open Filing | Nov 20, 2024 | |||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 19, 2024 | Nov 15, 2024 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 14, 2024 | Sep 30, 2024 | 000-15905 |
| UPLOAD | Open Document | Open Filing | Nov 8, 2024 | 000-15905 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 5, 2024 | Oct 30, 2024 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4 10-16-2024 | Oct 16, 2024 | Oct 14, 2024 | |
| 3 | Open Document | Open Filing | FORM 3 | Sep 13, 2024 | Sep 9, 2024 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Sep 11, 2024 | Sep 9, 2024 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4 | Aug 30, 2024 | Aug 29, 2024 | |
| 8-K/A | Open Document | Data | Open Filing | FORM 8-K/A | Aug 15, 2024 | Aug 14, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 15, 2024 | Aug 14, 2024 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 14, 2024 | Jun 30, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jul 22, 2024 | Jul 18, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jul 8, 2024 | Jul 8, 2024 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4 | Jun 7, 2024 | Jun 5, 2024 | |
| DEF 14A | Open Document | Open Filing | FORM DEF 14A | Jun 4, 2024 | Dec 31, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 16, 2024 | May 16, 2024 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 15, 2024 | Mar 31, 2024 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 1, 2024 | Dec 31, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 18, 2024 | Jan 18, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 5, 2024 | Jan 5, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 5, 2024 | Jan 5, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 4, 2024 | Jan 4, 2024 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 15, 2023 | Nov 15, 2023 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 14, 2023 | Sep 30, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 8, 2023 | Nov 8, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 3, 2023 | Nov 3, 2023 | 000-15905 |
| 4 | Open Document | Open Filing | FORM 4 | Oct 10, 2023 | Oct 5, 2023 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 23, 2023 | Aug 21, 2023 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Aug 21, 2023 | Aug 17, 2023 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 16, 2023 | Aug 15, 2023 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 14, 2023 | Jun 30, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jun 22, 2023 | Jun 21, 2023 | 000-15905 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 1, 2023 | May 26, 2023 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 16, 2023 | May 16, 2023 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 15, 2023 | Mar 31, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 15, 2023 | May 9, 2023 | 000-15905 |
| DEF 14A | Open Document | Open Filing | DEF 14A | May 5, 2023 | May 2, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 4, 2023 | Apr 30, 2023 | 000-15905 |
| 10-K/A | Open Document | Data | Open Filing | FORM 10K/A | May 1, 2023 | Dec 31, 2022 | 000-15905 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 10, 2023 | Apr 6, 2023 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 6, 2023 | Apr 3, 2023 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 3, 2023 | Apr 3, 2023 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 3, 2023 | Dec 31, 2022 | 000-15905 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Apr 3, 2023 | Dec 31, 2022 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jan 18, 2023 | Jan 18, 2023 | 000-15905 |
| 4 | Open Document | Open Filing | Dec 16, 2022 | Dec 14, 2022 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 25, 2022 | Nov 18, 2022 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Nov 16, 2022 | Nov 16, 2022 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 14, 2022 | Sep 30, 2022 | 000-15905 |
| 4 | Open Document | Open Filing | Oct 31, 2022 | Oct 27, 2022 | ||
| 4 | Open Document | Open Filing | Oct 31, 2022 | Oct 27, 2022 | ||
| 4 | Open Document | Open Filing | Oct 31, 2022 | Oct 27, 2022 | ||
| 4 | Open Document | Open Filing | Sep 8, 2022 | Sep 6, 2022 | ||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 15, 2022 | Jun 30, 2022 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Aug 15, 2022 | Aug 15, 2022 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jun 27, 2022 | Jun 22, 2022 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Jun 21, 2022 | Jun 20, 2022 | 000-15905 |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 6, 2022 | Jun 6, 2022 | |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 6, 2022 | Jun 6, 2022 | |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 6, 2022 | Jun 6, 2022 | |
| 4/A | Open Document | Open Filing | FORM 4/A | Jun 6, 2022 | Jun 6, 2022 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | May 17, 2022 | May 16, 2022 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 16, 2022 | Mar 31, 2022 | 000-15905 |
| 4 | Open Document | Open Filing | May 16, 2022 | May 12, 2022 | ||
| 4 | Open Document | Open Filing | May 16, 2022 | May 12, 2022 | ||
| 4 | Open Document | Open Filing | May 13, 2022 | May 12, 2022 | ||
| 4 | Open Document | Open Filing | May 13, 2022 | May 12, 2022 | ||
| DEFA14A | Open Document | Open Filing | DEFA 14A | May 4, 2022 | 000-15905 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Apr 28, 2022 | Jun 22, 2022 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Apr 14, 2022 | Apr 14, 2022 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 1, 2022 | Dec 31, 2021 | 000-15905 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Apr 1, 2022 | Dec 31, 2021 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | CURRENT REPORT | Jan 21, 2022 | Jan 14, 2022 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 15, 2021 | Sep 30, 2021 | 000-15905 |
| 8-K | Open Document | Data | Open Filing | PRIMARY DOCUMENT | Oct 7, 2021 | Oct 7, 2021 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUATERLY REPORT | Aug 17, 2021 | Jun 30, 2021 | 000-15905 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 17, 2021 | Jun 30, 2021 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 17, 2021 | Mar 31, 2021 | 000-15905 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 17, 2021 | May 17, 2021 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Mar 31, 2021 | Dec 31, 2020 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Mar 26, 2021 | Mar 26, 2021 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jan 4, 2021 | Dec 31, 2020 | 000-15905 |
| DEFA14A | Open Document | Open Filing | DEFA14A | Dec 10, 2020 | 000-15905 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | Nov 25, 2020 | Dec 31, 2020 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 16, 2020 | Sep 30, 2020 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Aug 14, 2020 | Jun 30, 2020 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | PRIMARY DOCUMENT | May 15, 2020 | Mar 31, 2020 | 000-15905 |
| 8-K | Open Document | Open Filing | May 8, 2020 | May 8, 2020 | 000-15905 | |
| 4 | Open Document | Open Filing | May 1, 2020 | Apr 30, 2020 | ||
| 4 | Open Document | Open Filing | May 1, 2020 | Apr 30, 2020 | ||
| 4 | Open Document | Open Filing | May 1, 2020 | Apr 30, 2020 | ||
| 4 | Open Document | Open Filing | May 1, 2020 | Apr 30, 2020 | ||
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Mar 30, 2020 | Dec 31, 2019 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Dec 20, 2019 | Dec 20, 2019 | 000-15905 |
| DEF 14A | Open Document | Open Filing | DEF 14A | Dec 3, 2019 | Dec 20, 2019 | 000-15905 |
| 4 | Open Document | Open Filing | Nov 14, 2019 | Nov 14, 2019 | ||
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 14, 2019 | Sep 30, 2019 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Sep 13, 2019 | Sep 13, 2019 | 000-15905 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 23, 2019 | Aug 23, 2019 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Aug 14, 2019 | Jun 30, 2019 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 16, 2019 | Mar 31, 2019 | 000-15905 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 16, 2019 | Mar 31, 2019 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Apr 1, 2019 | Dec 31, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Mar 21, 2019 | Mar 19, 2019 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Dec 28, 2018 | Dec 27, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | PRIMARY DOCUMENT | Dec 21, 2018 | Dec 19, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Nov 23, 2018 | Nov 15, 2018 | 000-15905 |
| DEF 14A | Open Document | Open Filing | PRIMARY DOCUMENT | Nov 15, 2018 | Dec 27, 2018 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 14, 2018 | Sep 30, 2018 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 22, 2018 | Oct 18, 2018 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 22, 2018 | Oct 18, 2018 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 22, 2018 | Oct 18, 2018 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Aug 14, 2018 | Jun 30, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jul 25, 2018 | Jul 20, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Jun 29, 2018 | Jun 29, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | May 30, 2018 | May 30, 2018 | 000-15905 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 15, 2018 | Mar 31, 2018 | 000-15905 |
| 8-K | Open Document | Open Filing | Apr 27, 2018 | Apr 27, 2018 | 000-15905 | |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Apr 2, 2018 | Dec 31, 2017 | 000-15905 |
| 8-K | Open Document | Open Filing | Mar 27, 2018 | Mar 26, 2018 | 000-15905 | |
| 8-K | Open Document | Open Filing | Mar 1, 2018 | Feb 28, 2018 | 000-15905 | |
| 8-K | Open Document | Open Filing | Feb 1, 2018 | Jan 31, 2018 | 000-15905 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 2, 2018 | Dec 28, 2017 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 2, 2018 | Dec 28, 2017 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 2, 2018 | Dec 28, 2017 | |
| 8-K | Open Document | Open Filing | Dec 29, 2017 | Dec 27, 2017 | 000-15905 | |
| 8-K | Open Document | Open Filing | Dec 22, 2017 | Dec 20, 2017 | 000-15905 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Dec 1, 2017 | Nov 28, 2017 | 000-15905 |
| DEF 14A | Open Document | Open Filing | DEFINITIVE PROXY STATEMENT | Nov 20, 2017 | Dec 20, 2017 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 16, 2017 | Sep 30, 2017 | 000-15905 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 15, 2017 | Sep 30, 2017 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Nov 7, 2017 | Nov 1, 2017 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Oct 12, 2017 | Jun 30, 2017 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Sep 29, 2017 | Sep 26, 2017 | 000-15905 |
| NT 10-Q | Open Document | Open Filing | NOTIFICATION OF LATE FILING | Aug 15, 2017 | Jun 30, 2017 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 22, 2017 | May 19, 2017 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 22, 2017 | May 19, 2017 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 22, 2017 | May 19, 2017 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | May 19, 2017 | May 19, 2017 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 15, 2017 | Mar 31, 2017 | 000-15905 |
| 8-K | Open Document | Open Filing | May 1, 2017 | Apr 28, 2017 | 000-15905 | |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Mar 31, 2017 | Dec 31, 2016 | 000-15905 |
| 8-K | Open Document | Open Filing | Feb 16, 2017 | Feb 10, 2017 | 000-15905 | |
| 8-K | Open Document | Open Filing | Dec 8, 2016 | Dec 7, 2016 | 000-15905 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 14, 2016 | Sep 30, 2016 | 000-15905 |
| DEF 14A | Open Document | Open Filing | PROXY STATEMENT | Oct 31, 2016 | Dec 7, 2016 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 13, 2016 | Oct 12, 2016 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 13, 2016 | Oct 12, 2016 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Oct 13, 2016 | Oct 12, 2016 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Aug 19, 2016 | Aug 15, 2016 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Aug 15, 2016 | Jun 30, 2016 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 10, 2016 | Jun 8, 2016 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 10, 2016 | Jun 8, 2016 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jun 10, 2016 | Jun 8, 2016 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 16, 2016 | Mar 31, 2016 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Mar 30, 2016 | Dec 31, 2015 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 15, 2016 | Jan 13, 2016 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Jan 15, 2016 | Jan 13, 2016 | |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Dec 18, 2015 | Dec 18, 2015 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN ENERGY | Dec 10, 2015 | Dec 10, 2015 | 000-15905 |
| 8-K/A | Open Document | Open Filing | BLUE DOLPHIN ENERGY | Dec 3, 2015 | Nov 9, 2015 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Nov 23, 2015 | Nov 23, 2015 | 000-15905 |
| DEF 14A | Open Document | Open Filing | DEFINITIVE PROXY STATEMENT | Nov 18, 2015 | Dec 16, 2015 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 16, 2015 | Sep 30, 2015 | 000-15905 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Nov 10, 2015 | Nov 4, 2015 | |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Nov 9, 2015 | Nov 9, 2015 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 27, 2015 | Aug 24, 2015 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 24, 2015 | Aug 20, 2015 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Aug 19, 2015 | Aug 19, 2015 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Aug 14, 2015 | Jun 30, 2015 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Jun 26, 2015 | Jun 26, 2015 | 000-15905 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2015 | Jun 15, 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jun 16, 2015 | Jun 15, 2015 | |
| 8-K | Open Document | Open Filing | CURRENT REPORT | May 19, 2015 | May 18, 2015 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 15, 2015 | Mar 31, 2015 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Apr 2, 2015 | Apr 2, 2015 | 000-15905 |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Mar 31, 2015 | Dec 31, 2014 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Mar 31, 2015 | Mar 31, 2015 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Jan 7, 2015 | Jan 7, 2015 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 18, 2014 | Dec 17, 2014 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Dec 17, 2014 | Dec 17, 2014 | |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Nov 14, 2014 | Sep 30, 2014 | 000-15905 |
| 8-K | Open Document | Open Filing | CURRENT REPORT | Nov 14, 2014 | Nov 14, 2014 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Nov 5, 2014 | Nov 5, 2014 | 000-15905 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Aug 27, 2014 | Jun 4, 2014 | |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Aug 18, 2014 | Aug 18, 2014 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | Aug 14, 2014 | Jun 30, 2014 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | Jun 9, 2014 | Mar 31, 2012 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN ENERGY | May 22, 2014 | May 22, 2014 | 000-15905 |
| DEF 14A | Open Document | Open Filing | PROXY STATEMENT | May 19, 2014 | Jun 4, 2014 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN ENERGY | May 16, 2014 | May 16, 2014 | 000-15905 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | May 15, 2014 | Mar 31, 2014 | 000-15905 |
| 8-K | Open Document | Open Filing | BLUE DOLPHIN | May 8, 2014 | May 8, 2014 | 000-15905 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | Apr 30, 2014 | Apr 28, 2014 | |
| 10-K | Open Document | Data | Open Filing | ANNUAL REPORT | Mar 31, 2014 | Dec 31, 2013 | 000-15905 |