| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 15-12G | Open Document | Open Filing | 15-12G | Aug 18, 2023 | 000-55319 | |
| UPLOAD | Open Document | Open Filing | May 17, 2023 | |||
| UPLOAD | Open Document | Open Filing | Apr 26, 2023 | |||
| UPLOAD | Open Document | Open Filing | Apr 5, 2023 | |||
| NT 10-K | Open Document | Open Filing | NT 10-K | Mar 31, 2023 | Dec 31, 2022 | 000-55319 |
| 10-K/A | Open Document | Data | Open Filing | FORM 10-K/A | Feb 6, 2023 | Dec 31, 2021 | 000-55319 |
| UPLOAD | Open Document | Open Filing | Jan 23, 2023 | |||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 23, 2022 | Sep 30, 2022 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 15, 2022 | Sep 30, 2022 | 000-55319 |
| UPLOAD | Open Document | Open Filing | Oct 7, 2022 | |||
| CORRESP | Open Document | Open Filing | Sep 7, 2022 | |||
| UPLOAD | Open Document | Open Filing | Sep 6, 2022 | |||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 25, 2022 | Jun 30, 2022 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 12, 2022 | Jun 30, 2022 | 000-55319 |
| 10-K/A | Open Document | Data | Open Filing | FORM 10-K/A | Jun 28, 2022 | Dec 31, 2021 | 000-55319 |
| UPLOAD | Open Document | Open Filing | May 31, 2022 | |||
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 23, 2022 | Mar 31, 2022 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 16, 2022 | Mar 31, 2022 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Mar 31, 2022 | Dec 31, 2021 | 000-55319 |
| DEF 14C | Open Document | Open Filing | DEF 14C | Mar 21, 2022 | Mar 21, 2022 | 000-55319 |
| PRE 14C | Open Document | Open Filing | PRE 14C | Mar 10, 2022 | Mar 8, 2022 | 000-55319 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Dec 6, 2021 | Dec 2, 2021 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 23, 2021 | Sep 30, 2021 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 15, 2021 | Sep 30, 2021 | 000-55319 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | Oct 1, 2021 | Sep 30, 2021 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 17, 2021 | Jun 30, 2021 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 17, 2021 | Jun 30, 2021 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 9, 2021 | Mar 31, 2021 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Jun 1, 2021 | Dec 31, 2020 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 19, 2021 | Mar 31, 2021 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 6, 2021 | May 3, 2021 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Apr 29, 2021 | Apr 23, 2021 | 000-55319 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Mar 31, 2021 | Dec 31, 2020 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 22, 2021 | Jan 11, 2021 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 18, 2020 | Sep 30, 2020 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 16, 2020 | Sep 30, 2020 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 19, 2020 | Jun 30, 2020 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 14, 2020 | Jun 30, 2020 | 000-55319 |
| 3 | Open Document | Open Filing | FORM 3 | Jul 1, 2020 | Jun 5, 2020 | |
| 3 | Open Document | Open Filing | FORM 3 | Jul 1, 2020 | Jun 5, 2020 | |
| 3 | Open Document | Open Filing | FORM 3 | Jun 26, 2020 | Jun 5, 2020 | |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 5, 2020 | May 28, 2020 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | May 15, 2020 | Mar 31, 2020 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | Apr 6, 2020 | Dec 31, 2019 | 000-55319 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Mar 30, 2020 | Dec 31, 2019 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 2, 2020 | Feb 24, 2020 | 000-55319 |
| 10-Q/A | Open Document | Data | Open Filing | FORM 10-Q AMENDMENT NO 1 | Dec 6, 2019 | Sep 30, 2019 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 14, 2019 | Sep 30, 2019 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Aug 14, 2019 | Jun 30, 2019 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 22, 2019 | Jul 15, 2019 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 10, 2019 | Mar 31, 2019 | 000-55319 |
| 10-K/A | Open Document | Data | Open Filing | FORM 10-K AMENDMENT NO 1 | Jun 4, 2019 | Dec 31, 2018 | 000-55319 |
| 10-K | Open Document | Open Filing | FORM 10-K | May 17, 2019 | Dec 31, 2018 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | May 16, 2019 | Mar 31, 2019 | 000-55319 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Apr 1, 2019 | Dec 31, 2018 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Nov 21, 2018 | Sep 30, 2018 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Nov 14, 2018 | Sep 30, 2018 | 000-55319 |
| 8-K/A | Open Document | Open Filing | FORM 8-K AMENDMENT NO 1 | Nov 1, 2018 | May 16, 2018 | 000-55319 |
| 10-QT | Open Document | Data | Open Filing | FORM 10-QT | Aug 20, 2018 | Jun 30, 2018 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Aug 14, 2018 | Jun 30, 2018 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 16, 2018 | Jul 16, 2018 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 9, 2018 | Jul 3, 2018 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 19, 2018 | Apr 30, 2018 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Jun 15, 2018 | Apr 30, 2018 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 22, 2018 | May 16, 2018 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | May 16, 2018 | Jan 31, 2018 | 000-55319 |
| NT 10-K | Open Document | Open Filing | NT 10-K | Apr 30, 2018 | Jan 31, 2018 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 9, 2018 | Feb 9, 2018 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 20, 2017 | Oct 31, 2017 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Dec 15, 2017 | Oct 31, 2017 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Dec 8, 2017 | Dec 6, 2017 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 14, 2017 | Jul 31, 2017 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 14, 2017 | Apr 30, 2017 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | May 16, 2017 | Jan 31, 2017 | 000-55319 |
| NT 10-K | Open Document | Open Filing | NT 10-K | May 1, 2017 | Jan 31, 2017 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 20, 2016 | Oct 31, 2016 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | Dec 15, 2016 | Oct 31, 2016 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 14, 2016 | Jul 31, 2016 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 16, 2016 | Apr 30, 2016 | 000-55319 |
| NT 10-Q | Open Document | Open Filing | FORM 12B-25 | Jun 15, 2016 | Apr 30, 2016 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | May 13, 2016 | Jan 31, 2016 | 000-55319 |
| NT 10-K | Open Document | Open Filing | FORM 12B-25 | May 2, 2016 | Jan 31, 2016 | 000-55319 |
| 8-K/A | Open Document | Open Filing | FORM 8-K/A | Feb 4, 2016 | Jan 29, 2016 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Feb 1, 2016 | Jan 29, 2016 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 15, 2015 | Oct 31, 2015 | 000-55319 |
| 8-K/A | Open Document | Open Filing | FORM 8-K AMENDMENT 1 | Dec 14, 2015 | Oct 1, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Sep 25, 2015 | Aug 27, 2015 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 14, 2015 | Jul 31, 2015 | 000-55319 |
| DEF 14C | Open Document | Open Filing | SCHEDULE 14C | Jul 16, 2015 | Jul 16, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jul 9, 2015 | Jul 6, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jun 19, 2015 | Jun 18, 2015 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 15, 2015 | Apr 30, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | May 13, 2015 | May 5, 2015 | 000-55319 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | May 1, 2015 | Jan 31, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 20, 2015 | Mar 18, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Mar 9, 2015 | Feb 27, 2015 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jan 30, 2015 | Dec 22, 2014 | 000-55319 |
| 8-K | Open Document | Open Filing | FORM 8-K | Jan 14, 2015 | Jan 12, 2015 | 000-55319 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Dec 5, 2014 | Oct 31, 2014 | 000-55319 |
| 8-A12G | Open Document | Open Filing | FORM 8-A | Nov 12, 2014 | 000-55319 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Sep 12, 2014 | Jul 31, 2014 | 333-187437 |
| 8-K | Open Document | Open Filing | FORM 8-K | Aug 14, 2014 | Aug 11, 2014 | 333-187437 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | Jun 23, 2014 | Apr 30, 2014 | 333-187437 |
| NT 10-Q | Open Document | Open Filing | FORM 12B-25 | Jun 16, 2014 | Apr 30, 2014 | 333-187437 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | May 1, 2014 | Jan 31, 2014 | 333-187437 |
| 8-K | Open Document | Open Filing | FORM 8K | Feb 13, 2014 | Feb 12, 2014 | 333-187437 |