| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open Document | Data | Open Filing | CURRENT REPORT | 28 Aug 2025 | 21 Aug 2025 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 12 Aug 2025 | 28 Jun 2025 | 001-06836 |
| 4 | Open Document | Open Filing | 30 May 2025 | 21 May 2025 | ||
| 4 | Open Document | Open Filing | 30 May 2025 | 21 May 2025 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 19 May 2025 | 29 Mar 2025 | 001-06836 |
| 8-K | Open Document | Data | Open Filing | 8-K | 13 May 2025 | 09 May 2025 | 001-06836 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 13 May 2025 | 29 Mar 2025 | 001-06836 |
| 8-K | Open Document | Data | Open Filing | 8-K | 06 Mar 2025 | 28 Feb 2025 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Feb 2025 | 28 Dec 2024 | 001-06836 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 24 Jan 2025 | 28 Feb 2025 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 10-K | 27 Dec 2024 | 28 Sep 2024 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Aug 2024 | 29 Jun 2024 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 May 2024 | 30 Mar 2024 | 001-06836 |
| 8-K | Open Document | Data | Open Filing | 8-K | 28 Feb 2024 | 23 Feb 2024 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Feb 2024 | 30 Dec 2023 | 001-06836 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 26 Jan 2024 | 23 Feb 2024 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 10-K | 29 Dec 2023 | 30 Sep 2023 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 15 Aug 2023 | 01 Jul 2023 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 16 May 2023 | 01 Apr 2023 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 15 Mar 2023 | 31 Dec 2022 | 001-06836 |
| 8-K | Open Document | Data | Open Filing | 8-K | 01 Mar 2023 | 24 Feb 2023 | 001-06836 |
| 8-K | Open Document | Data | Open Filing | 8-K | 01 Mar 2023 | 22 Feb 2023 | 001-06836 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 14 Feb 2023 | 31 Dec 2022 | 001-06836 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 26 Jan 2023 | 24 Feb 2023 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 10-K | 18 Jan 2023 | 01 Oct 2022 | 001-06836 |
| NT 10-K | Open Document | Open Filing | NT 10-K | 29 Dec 2022 | 01 Oct 2022 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 16 Aug 2022 | 02 Jul 2022 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 24 May 2022 | 02 Apr 2022 | 001-06836 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 17 May 2022 | 02 Apr 2022 | 001-06836 |
| 8-K | Open Document | Data | Open Filing | 8-K | 02 Mar 2022 | 25 Feb 2022 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 22 Feb 2022 | 01 Jan 2022 | 001-06836 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 16 Feb 2022 | 01 Jan 2022 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Feb 2022 | 005-33026 | |
| SC 13G/A | Open Document | Open Filing | 09 Feb 2022 | 005-33026 | ||
| DEF 14A | Open Document | Open Filing | DEF 14A | 28 Jan 2022 | 22 Feb 2025 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 10-K | 14 Jan 2022 | 02 Oct 2021 | 001-06836 |
| NT 10-K | Open Document | Open Filing | NT 10-K | 03 Jan 2022 | 02 Oct 2021 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 17 Aug 2021 | 03 Jul 2021 | 001-06836 |
| 4 | Open Document | Open Filing | 14 Jun 2021 | 13 Mar 2020 | ||
| 3 | Open Document | Open Filing | 14 Jun 2021 | 24 Feb 2006 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 21 May 2021 | 03 Apr 2021 | 001-06836 |
| NT 10-Q | Open Document | Open Filing | FORM NT 10-Q | 19 May 2021 | 03 Apr 2021 | 001-06836 |
| 8-K | Open Document | Open Filing | 8-K | 05 Mar 2021 | 26 Feb 2021 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 22 Feb 2021 | 02 Jan 2021 | 001-06836 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 17 Feb 2021 | 02 Jan 2021 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | 08 Feb 2021 | 005-33026 | ||
| DEF 14A | Open Document | Open Filing | DEF 14A | 28 Jan 2021 | 26 Feb 2021 | 001-06836 |
| SC 13D | Open Document | Open Filing | SC 13D | 27 Jan 2021 | 005-33026 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 15 Jan 2021 | 03 Oct 2020 | 001-06836 |
| NT 10-K | Open Document | Open Filing | NT 10-K | 04 Jan 2021 | 03 Oct 2020 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Aug 2020 | 27 Jun 2020 | 001-06836 |
| 10-Q/A | Open Document | Open Filing | FORM 10-Q/A | 14 Jul 2020 | 28 Mar 2020 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | QUARTERLY REPORT | 26 Jun 2020 | 28 Mar 2020 | 001-06836 |
| 8-K | Open Document | Open Filing | FORM 8-K | 18 May 2020 | 15 May 2020 | 001-06836 |
| 8-K | Open Document | Open Filing | 8-K | 07 May 2020 | 06 May 2020 | 001-06836 |
| 4 | Open Document | Open Filing | 01 May 2020 | 08 Apr 2020 | ||
| 8-K | Open Document | Open Filing | 8-K | 25 Mar 2020 | 24 Mar 2020 | 001-06836 |
| 8-K | Open Document | Open Filing | 8-K | 04 Mar 2020 | 28 Feb 2020 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Feb 2020 | 28 Dec 2019 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | 07 Feb 2020 | 005-33026 | ||
| DEF 14A | Open Document | Open Filing | DEF 14A | 30 Jan 2020 | 28 Feb 2020 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 10-K | 20 Dec 2019 | 28 Sep 2019 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Aug 2019 | 29 Jun 2019 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 May 2019 | 30 Mar 2019 | 001-06836 |
| 8-K | Open Document | Open Filing | 8-K | 25 Feb 2019 | 22 Feb 2019 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | 13 Feb 2019 | 005-33026 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Feb 2019 | 29 Dec 2018 | 001-06836 |
| DEFR14A | Open Document | Open Filing | DEFR14A | 29 Jan 2019 | 001-06836 | |
| DEFR14A | Open Document | Open Filing | DEFR14A | 28 Jan 2019 | 001-06836 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | 24 Jan 2019 | 22 Feb 2019 | 001-06836 |
| 4 | Open Document | Open Filing | 26 Dec 2018 | 31 Oct 2018 | ||
| 10-K | Open Document | Data | Open Filing | 10-K | 24 Dec 2018 | 29 Sep 2018 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Aug 2018 | 30 Jun 2018 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 15 May 2018 | 31 Mar 2018 | 001-06836 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 16 Apr 2018 | 12 Mar 2018 | |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 13 Apr 2018 | 13 Mar 2018 | |
| 8-K | Open Document | Open Filing | 8-K | 28 Feb 2018 | 23 Feb 2018 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Feb 2018 | 30 Dec 2017 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | 13 Feb 2018 | 005-33026 | ||
| DEF 14A | Open Document | Open Filing | DEF 14A | 29 Jan 2018 | 23 Feb 2018 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 16 Jan 2018 | 005-33026 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 21 Dec 2017 | 30 Sep 2017 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 15 Aug 2017 | 01 Jul 2017 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 16 May 2017 | 01 Apr 2017 | 001-06836 |
| 8-K | Open Document | Open Filing | 8-K | 01 Mar 2017 | 24 Feb 2017 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Feb 2017 | 31 Dec 2016 | 001-06836 |
| SC 13G | Open Document | Open Filing | 14 Feb 2017 | 005-33026 | ||
| DEF 14A | Open Document | Open Filing | DEF 14A | 27 Jan 2017 | 24 Feb 2017 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 10-K | 23 Dec 2016 | 01 Oct 2016 | 001-06836 |
| 4 | Open Document | Open Filing | 09 Sep 2016 | 25 Aug 2016 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 16 Aug 2016 | 02 Jul 2016 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 17 May 2016 | 02 Apr 2016 | 001-06836 |
| 8-K | Open Document | Open Filing | 8-K | 03 Mar 2016 | 26 Feb 2016 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 16 Feb 2016 | 02 Jan 2016 | 001-06836 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2016 | 005-33026 | |
| DEFA14A | Open Document | Open Filing | DEFA14A | 04 Feb 2016 | 001-06836 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | 26 Jan 2016 | 26 Feb 2016 | 001-06836 |
| 10-K | Open Document | Data | Open Filing | 24 Dec 2015 | 03 Oct 2015 | 001-06836 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Aug 2015 | 30 Jun 2015 | 001-06836 |
| 4 | Open Document | Open Filing | 01 Jun 2015 | 18 May 2015 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 May 2015 | 28 Mar 2015 | 001-06836 |
| 4 | Open Document | Open Filing | 20 Apr 2015 | 01 Apr 2015 | ||
| 4 | Open Document | Open Filing | 30 Mar 2015 | 20 Mar 2015 | ||
| 4 | Open Document | Open Filing | 18 Mar 2015 | 05 Mar 2015 | ||
| 8-K | Open Document | Open Filing | 8-K | 05 Mar 2015 | 27 Feb 2015 | 001-06836 |
| 4 | Open Document | Open Filing | 03 Mar 2015 | 24 Feb 2015 | ||
| 3 | Open Document | Open Filing | 20 Feb 2015 | 22 Feb 2013 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2015 | 005-33026 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 Feb 2015 | 27 Dec 2014 | 001-06836 |
| 3 | Open Document | Open Filing | 05 Feb 2015 | 28 Feb 2014 | ||
| DEF 14A | Open Document | Open Filing | DEF 14A | 27 Jan 2015 | 27 Feb 2015 | 001-06836 |
| 4 | Open Document | Open Filing | 27 Jan 2015 | 01 Feb 1995 | ||
| 3 | Open Document | Open Filing | 27 Jan 2015 | 22 Feb 1985 | ||
| 4 | Open Document | Open Filing | 22 Jan 2015 | 08 Jan 2015 | ||
| 10-K | Open Document | Data | Open Filing | 10-K | 24 Dec 2014 | 27 Sep 2014 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Aug 2014 | 28 Jun 2014 | 001-06836 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 May 2014 | 29 Mar 2014 | 001-06836 |
| UPLOAD | Open Document | Open Filing | 03 Apr 2014 | |||
| CORRESP | Open Document | Open Filing | 31 Mar 2014 | |||
| 8-K | Open Document | Open Filing | 8-K | 05 Mar 2014 | 28 Feb 2014 | 001-06836 |
| UPLOAD | Open Document | Open Filing | 26 Feb 2014 | |||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2014 | 005-33026 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Feb 2014 | 28 Dec 2013 | 001-06836 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 28 Jan 2014 | 28 Feb 2014 | 001-06836 |