| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Nov 2025 | 30 Sep 2025 | 000-55445 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 12 Nov 2025 | 30 Sep 2025 | 000-55445 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 27 Aug 2025 | 30 Jun 2025 | 000-55445 |
| 8-K | Open Document | Data | Open Filing | 8-K | 19 Aug 2025 | 13 Aug 2025 | 000-55445 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 15 Aug 2025 | 30 Jun 2025 | 000-55445 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 19 May 2025 | 31 Mar 2025 | 000-55445 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 14 May 2025 | 31 Mar 2025 | 000-55445 |
| 10-K | Open Document | Data | Open Filing | 15 Apr 2025 | 31 Dec 2024 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 25 Nov 2024 | 30 Sep 2024 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 04 Nov 2024 | 30 Jun 2024 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 15 Oct 2024 | 31 Mar 2024 | 000-55445 | |
| 10-K | Open Document | Data | Open Filing | 10 Sep 2024 | 31 Dec 2023 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 28 Mar 2024 | 31 Dec 2023 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 20 Nov 2023 | 30 Sep 2023 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 09 Nov 2023 | 30 Sep 2023 | 000-55445 | |
| 8-K | Open Document | Data | Open Filing | 10 Oct 2023 | 09 Oct 2023 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 18 Aug 2023 | 30 Jun 2023 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 11 Aug 2023 | 30 Jun 2023 | 000-55445 | |
| 8-K | Open Document | Data | Open Filing | 13 Jul 2023 | 12 Jul 2023 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 22 May 2023 | 31 Mar 2023 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 15 May 2023 | 31 Mar 2023 | 000-55445 | |
| 8-K | Open Document | Data | Open Filing | 28 Apr 2023 | 27 Apr 2023 | 000-55445 | |
| 10-K | Open Document | Data | Open Filing | 17 Apr 2023 | 31 Dec 2022 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 03 Apr 2023 | 31 Dec 2022 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 21 Nov 2022 | 30 Sep 2022 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 18 Nov 2022 | 30 Sep 2022 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 22 Aug 2022 | 30 Jun 2022 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 10 Aug 2022 | 30 Jun 2022 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 23 May 2022 | 31 Mar 2022 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 13 May 2022 | 31 Mar 2022 | 000-55445 | |
| 10-K | Open Document | Data | Open Filing | 15 Apr 2022 | 31 Dec 2021 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2022 | 31 Dec 2021 | 000-55445 | |
| 10-K/A | Open Document | Data | Open Filing | 08 Dec 2021 | 31 Dec 2020 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 22 Nov 2021 | 30 Sep 2021 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 12 Nov 2021 | 30 Sep 2021 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 23 Aug 2021 | 30 Jun 2021 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 16 Aug 2021 | 30 Jun 2021 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 24 May 2021 | 31 Mar 2021 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 13 May 2021 | 30 Mar 2021 | 000-55445 | |
| 10-K/A | Open Document | Data | Open Filing | 19 Apr 2021 | 31 Dec 2020 | 000-55445 | |
| 10-K | Open Document | Open Filing | 15 Apr 2021 | 31 Dec 2020 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2021 | 31 Dec 2020 | 000-55445 | |
| 8-K | Open Document | Open Filing | 15 Jan 2021 | 15 Jan 2021 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 23 Nov 2020 | 30 Sep 2020 | 000-55445 | |
| 8-K | Open Document | Open Filing | 12 Nov 2020 | 11 Nov 2020 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 18 Aug 2020 | 30 Jun 2020 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 13 Aug 2020 | 30 Jun 2020 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 29 Jun 2020 | 31 Mar 2020 | 000-55445 | |
| 10-K | Open Document | Data | Open Filing | 22 May 2020 | 31 Dec 2019 | 000-55445 | |
| 8-K | Open Document | Open Filing | 15 May 2020 | 15 May 2020 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 14 May 2020 | 31 Dec 2019 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 13 May 2020 | 30 Mar 2020 | 000-55445 | |
| 8-K | Open Document | Open Filing | 30 Mar 2020 | 29 Mar 2020 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 23 Jan 2020 | 30 Sep 2019 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 17 Jan 2020 | 30 Jun 2019 | 000-55445 | |
| 10-Q/A | Open Document | Data | Open Filing | 12 Dec 2019 | 31 Mar 2019 | 000-55445 | |
| 10-K/A | Open Document | Data | Open Filing | 25 Nov 2019 | 31 Dec 2018 | 000-55445 | |
| 10-Q/A | Open Document | Data | Open Filing | 23 Sep 2019 | 30 Sep 2018 | 000-55445 | |
| 10-Q/A | Open Document | Data | Open Filing | 18 Sep 2019 | 30 Jun 2018 | 000-55445 | |
| 10-Q/A | Open Document | Data | Open Filing | 18 Sep 2019 | 31 Mar 2018 | 000-55445 | |
| 8-K | Open Document | Open Filing | 23 Jul 2019 | 23 Jul 2019 | 000-55445 | |
| 10-K/A | Open Document | Data | Open Filing | 18 Jul 2019 | 31 Dec 2017 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 20 May 2019 | 31 Mar 2019 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 14 May 2019 | 31 Mar 2019 | 000-55445 | |
| 10-K/A | Open Document | Data | Open Filing | 25 Apr 2019 | 31 Dec 2018 | 000-55445 | |
| 10-K | Open Document | Data | Open Filing | 15 Apr 2019 | 31 Dec 2018 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 01 Apr 2019 | 31 Dec 2018 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 19 Nov 2018 | 30 Sep 2018 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 15 Nov 2018 | 30 Sep 2018 | 000-55445 | |
| 8-K | Open Document | Open Filing | 22 Aug 2018 | 21 Aug 2018 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 20 Aug 2018 | 30 Jun 2018 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 14 Aug 2018 | 30 Jun 2018 | 000-55445 | |
| 10-Q | Open Document | Open Filing | 21 May 2018 | 31 Mar 2018 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 14 May 2018 | 31 Mar 2018 | 000-55445 | |
| 10-K/A | Open Document | Data | Open Filing | 18 Apr 2018 | 31 Dec 2017 | 000-55445 | |
| 10-K | Open Document | Open Filing | 17 Apr 2018 | 31 Dec 2017 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 29 Mar 2018 | 31 Dec 2017 | 000-55445 | |
| 8-K | Open Document | Open Filing | 19 Mar 2018 | 16 Mar 2018 | 000-55445 | |
| 8-K | Open Document | Open Filing | 19 Mar 2018 | 16 Mar 2018 | 000-55445 | |
| 8-K | Open Document | Open Filing | 11 Dec 2017 | 11 Dec 2017 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 20 Nov 2017 | 30 Sep 2017 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 13 Nov 2017 | 30 Sep 2017 | 000-55445 | |
| 8-K | Open Document | Open Filing | 24 Aug 2017 | 24 Aug 2017 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 21 Aug 2017 | 30 Jun 2017 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 14 Aug 2017 | 30 Jun 2017 | 000-55445 | |
| 8-K | Open Document | Open Filing | 05 Jun 2017 | 05 Jun 2017 | 000-55445 | |
| 8-K | Open Document | Open Filing | 25 May 2017 | 25 May 2017 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 19 May 2017 | 31 Mar 2017 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 16 May 2017 | 31 Mar 2017 | 000-55445 | |
| 10-K | Open Document | Open Filing | 17 Apr 2017 | 31 Dec 2016 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 28 Mar 2017 | 31 Dec 2016 | 000-55445 | |
| DEF 14C | Open Document | Open Filing | 23 Feb 2017 | 22 Feb 2017 | 000-55445 | |
| PRE 14C | Open Document | Open Filing | 08 Feb 2017 | 08 Feb 2017 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 14 Nov 2016 | 30 Sep 2016 | 000-55445 | |
| 8-K | Open Document | Open Filing | 23 Sep 2016 | 21 Sep 2016 | 000-55445 | |
| 8-K | Open Document | Open Filing | 12 Sep 2016 | 09 Sep 2016 | 000-55445 | |
| 8-K | Open Document | Open Filing | 29 Aug 2016 | 25 Aug 2016 | 000-55445 | |
| 8-K | Open Document | Open Filing | 23 Aug 2016 | 23 Aug 2016 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 11 Aug 2016 | 30 Jun 2016 | 000-55445 | |
| 8-K | Open Document | Open Filing | 29 Jul 2016 | 28 Jul 2016 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 19 May 2016 | 31 Mar 2016 | 000-55445 | |
| NT 10-Q | Open Document | Open Filing | 16 May 2016 | 31 Mar 2016 | 000-55445 | |
| 10-K | Open Document | Data | Open Filing | 11 May 2016 | 31 Dec 2015 | 000-55445 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2016 | 12 Apr 2016 | |
| 8-K | Open Document | Open Filing | 18 Apr 2016 | 18 Apr 2015 | 000-55445 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2016 | 31 Dec 2015 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 12 Nov 2015 | 30 Sep 2015 | 000-55445 | |
| D | Open Document | Open Filing | 19 Oct 2015 | 021-249685 | ||
| 10-Q | Open Document | Data | Open Filing | 14 Aug 2015 | 30 Jun 2015 | 000-55445 | |
| D | Open Document | Open Filing | 09 Jun 2015 | 021-241361 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 26 May 2015 | 005-88853 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 26 May 2015 | 005-88853 | |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 26 May 2015 | 005-88853 | |
| 8-A12G | Open Document | Open Filing | FORM 8-A | 26 May 2015 | 000-55445 | |
| 10-Q | Open Document | Data | Open Filing | 07 May 2015 | 31 Mar 2015 | 333-174674 | |
| 10-K | Open Document | Data | Open Filing | 04 May 2015 | 31 Dec 2014 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 30 Sep 2014 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 30 Jun 2014 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 31 Mar 2014 | 333-174674 | |
| 10-K | Open Document | Data | Open Filing | 04 May 2015 | 31 Dec 2013 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 30 Sep 2013 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 30 Jun 2013 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 31 Mar 2013 | 333-174674 | |
| 10-K | Open Document | Data | Open Filing | 04 May 2015 | 31 Dec 2012 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 30 Sep 2012 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 30 Jun 2012 | 333-174674 | |
| 10-Q | Open Document | Data | Open Filing | 04 May 2015 | 31 Mar 2012 | 333-174674 | |
| 10-K | Open Document | Data | Open Filing | 04 May 2015 | 31 Dec 2011 | 333-174674 | |
| 8-K | Open Document | Open Filing | 22 Apr 2015 | 15 Apr 2015 | 333-174674 |