| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open Document | Data | Open Filing | 12 Dec 2025 | 12 Dec 2025 | 000-24047 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Dec 2025 | 08 Dec 2025 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Nov 2025 | 14 Nov 2025 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 18 Nov 2025 | 13 Nov 2025 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Nov 2025 | 30 Sep 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 03 Nov 2025 | 31 Oct 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 12 Sep 2025 | 11 Sep 2025 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Aug 2025 | 30 Jun 2025 | 000-24047 |
| SCHEDULE 13G/A | Open Document | Open Filing | 13 Aug 2025 | 005-51919 | ||
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 29 Jul 2025 | 29 Jul 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 08 Jul 2025 | 05 Mar 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 27 Jun 2025 | 26 Jun 2025 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Jun 2025 | 13 Jun 2025 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2025 | 16 May 2025 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Jun 2025 | 09 Apr 2025 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 05 Jun 2025 | 04 Jun 2025 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 May 2025 | 14 May 2025 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 20 May 2025 | 31 Mar 2025 | 000-24047 |
| NT 10-Q | Open Document | Open Filing | NT 10-Q | 15 May 2025 | 31 Mar 2025 | 000-24047 |
| SCHEDULE 13G | Open Document | Open Filing | 14 May 2025 | 005-51919 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2025 | 14 Jun 2024 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 09 May 2025 | 08 May 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 07 May 2025 | 07 May 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 29 Apr 2025 | 12 Mar 2025 | 000-24047 |
| 10-K/A | Open Document | Data | Open Filing | 10-K/A | 28 Apr 2025 | 31 Dec 2024 | 000-24047 |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | 16 Apr 2025 | 08 May 2025 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | 10-K | 08 Apr 2025 | 31 Dec 2024 | 000-24047 |
| NT 10-K | Open Document | Open Filing | NT 10-K | 26 Mar 2025 | 31 Dec 2024 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Mar 2025 | 06 Mar 2025 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 06 Feb 2025 | 06 Feb 2025 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 10 Jan 2025 | 10 Jan 2025 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Dec 2024 | 27 Nov 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Nov 2024 | 30 Sep 2024 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 31 Oct 2024 | 31 Oct 2024 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 13 Sep 2024 | 12 Sep 2024 | 000-24047 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Sep 2024 | 12 Sep 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Aug 2024 | 30 Jun 2024 | 000-24047 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Aug 2024 | 11 Jul 2024 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 26 Jul 2024 | 26 Jul 2024 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 15 Jul 2024 | 11 Jul 2024 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Jun 2024 | 12 Jun 2024 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Jun 2024 | 10 Jun 2024 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 31 May 2024 | 28 May 2024 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2024 | 28 May 2024 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2024 | 24 May 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 May 2024 | 31 Mar 2024 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 10 May 2024 | 09 May 2024 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 26 Apr 2024 | 26 Apr 2024 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Apr 2024 | 04 Apr 2024 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | 03 Apr 2024 | 09 May 2024 | 000-24047 |
| 10-K/A | Open Document | Data | Open Filing | FORM 10-K/A | 02 Apr 2024 | 31 Dec 2023 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2024 | 14 Mar 2024 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2024 | 22 Mar 2024 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 22 Mar 2024 | 31 Dec 2023 | 000-24047 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Mar 2024 | 005-51919 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 16 Feb 2024 | 16 Feb 2024 | 000-24047 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 08 Jan 2024 | 005-51919 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 04 Jan 2024 | 31 Dec 2023 | 000-24047 |
| S-3D | Open Document | Open Filing | FORM S-3D | 05 Dec 2023 | 333-275891 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2023 | 06 Nov 2023 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2023 | 02 Oct 2023 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Nov 2023 | 30 Sep 2023 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 31 Oct 2023 | 31 Oct 2023 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 20 Sep 2023 | 15 Sep 2023 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 Aug 2023 | 30 Jun 2023 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 02 Aug 2023 | 01 Aug 2023 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 30 Jun 2023 | 30 Jun 2023 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 12 May 2023 | 11 May 2023 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 May 2023 | 31 Mar 2023 | 000-24047 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 10 Apr 2023 | 11 May 2023 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | 10-K | 29 Mar 2023 | 31 Dec 2022 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 14 Feb 2023 | 14 Feb 2023 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 Nov 2022 | 30 Sep 2022 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 04 Nov 2022 | 04 Nov 2022 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Aug 2022 | 30 Jun 2022 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 08 Aug 2022 | 08 Aug 2022 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 May 2022 | 31 Mar 2022 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 13 May 2022 | 12 May 2022 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 26 Apr 2022 | 26 Apr 2022 | 000-24047 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 04 Apr 2022 | 12 May 2022 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | 10-K | 25 Mar 2022 | 31 Dec 2021 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 04 Mar 2022 | 10 Feb 2022 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Feb 2022 | 07 Jan 2022 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 10 Feb 2022 | 005-51919 | |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 03 Feb 2022 | 03 Feb 2022 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Nov 2021 | 30 Sep 2021 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 03 Nov 2021 | 03 Nov 2021 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Aug 2021 | 30 Jun 2021 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 05 Aug 2021 | 05 Aug 2021 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 17 May 2021 | 31 Mar 2021 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 14 May 2021 | 13 May 2021 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 04 May 2021 | 03 May 2021 | 000-24047 |
| DEFA14A | Open Document | Open Filing | DEFA14A | 12 Apr 2021 | 000-24047 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | 08 Apr 2021 | 13 May 2021 | 000-24047 |
| SC 13G | Open Document | Open Filing | SC 13G | 01 Apr 2021 | 005-51919 | |
| 10-K | Open Document | Data | Open Filing | 10-K | 26 Mar 2021 | 31 Dec 2020 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 04 Feb 2021 | 03 Feb 2021 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Nov 2020 | 30 Sep 2020 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 05 Nov 2020 | 04 Nov 2020 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Aug 2020 | 30 Jun 2020 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 06 Aug 2020 | 05 Aug 2020 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 15 May 2020 | 14 May 2020 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 15 May 2020 | 31 Mar 2020 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 04 May 2020 | 01 May 2020 | 000-24047 |
| DEFA14A | Open Document | Open Filing | DEFA14A | 08 Apr 2020 | 000-24047 | |
| DEF 14A | Open Document | Open Filing | DEF 14A | 08 Apr 2020 | 14 May 2020 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | 10-K | 27 Mar 2020 | 31 Dec 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 13 Feb 2020 | 12 Feb 2020 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2020 | 06 Jan 2020 | |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 27 Jan 2020 | 005-51919 | |
| S-8 | Open Document | Open Filing | FORM S-8 | 14 Jan 2020 | 333-235907 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Nov 2019 | 30 Sep 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 01 Nov 2019 | 31 Oct 2019 | 000-24047 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Aug 2019 | 09 May 2019 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Aug 2019 | 30 Jun 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 31 Jul 2019 | 30 Jul 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 14 May 2019 | 14 May 2019 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 May 2019 | 31 Mar 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 10 May 2019 | 09 May 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 29 Apr 2019 | 24 Apr 2019 | 000-24047 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 11 Apr 2019 | 09 May 2019 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | 10-K | 29 Mar 2019 | 31 Dec 2018 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 07 Mar 2019 | 06 Mar 2019 | 000-24047 |
| 8-K/A | Open Document | Open Filing | FORM 8-K/A | 20 Feb 2019 | 15 Feb 2019 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 19 Feb 2019 | 15 Feb 2019 | 000-24047 |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 12 Feb 2019 | 005-51919 | |
| 3/A | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Dec 2018 | 09 Aug 2018 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2018 | 09 Aug 2018 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2018 | 03 Oct 2018 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Nov 2018 | 09 Aug 2018 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 13 Nov 2018 | 30 Sep 2018 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Oct 2018 | 29 Oct 2018 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 23 Oct 2018 | 23 Oct 2018 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Aug 2018 | 30 Jun 2018 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 10 Aug 2018 | 09 Aug 2018 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 30 Jul 2018 | 30 Jul 2018 | 000-24047 |
| 10-K/A | Open Document | Open Filing | 10-K/A | 13 Jun 2018 | 31 Dec 2017 | 000-24047 |
| 10-Q/A | Open Document | Open Filing | 10-Q/A | 25 May 2018 | 31 Mar 2018 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 15 May 2018 | 31 Mar 2018 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 10 May 2018 | 10 May 2018 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 26 Apr 2018 | 26 Apr 2018 | 000-24047 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 10 Apr 2018 | 10 May 2018 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | 10-K | 02 Apr 2018 | 31 Dec 2017 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Feb 2018 | 08 Feb 2018 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 20 Feb 2018 | 15 Feb 2018 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 14 Feb 2018 | 10 Feb 2018 | 000-24047 |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 08 Feb 2018 | 005-51919 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Nov 2017 | 30 Sep 2017 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 01 Nov 2017 | 01 Nov 2017 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 25 Sep 2017 | 24 Sep 2017 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Aug 2017 | 28 Aug 2017 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 11 Aug 2017 | 30 Jun 2017 | 000-24047 |
| 8-K | Open Document | Data | Open Filing | FORM 8-K | 03 Aug 2017 | 03 Aug 2017 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2017 | 10 May 2017 | |
| 8-K/A | Open Document | Open Filing | FORM 8-K/A | 15 May 2017 | 11 May 2017 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 11 May 2017 | 11 May 2017 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 10 May 2017 | 31 Mar 2017 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 Apr 2017 | 12 Apr 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Apr 2017 | 10 Apr 2017 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Apr 2017 | 03 Apr 2017 | |
| DEF 14A | Open Document | Open Filing | SCHEDULE 14A | 04 Apr 2017 | 11 May 2017 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 31 Mar 2017 | 30 Mar 2017 | |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 29 Mar 2017 | 31 Dec 2016 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 22 Mar 2017 | 20 Mar 2017 | 000-24047 |
| UPLOAD | Open Document | Open Filing | 10 Mar 2017 | |||
| CORRESP | Open Document | Open Filing | 09 Mar 2017 | |||
| 8-K | Open Document | Open Filing | FORM 8-K | 06 Mar 2017 | 06 Mar 2017 | 000-24047 |
| UPLOAD | Open Document | Open Filing | 22 Feb 2017 | |||
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 09 Feb 2017 | 005-51919 | |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jan 2017 | 01 Sep 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 24 Jan 2017 | 01 Sep 2016 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 29 Nov 2016 | 23 Nov 2016 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Nov 2016 | 23 Nov 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Nov 2016 | 16 Nov 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Nov 2016 | 14 Nov 2016 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 09 Nov 2016 | 30 Sep 2016 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 26 Oct 2016 | 26 Oct 2016 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 19 Sep 2016 | 16 Sep 2016 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 08 Sep 2016 | 01 Sep 2016 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 10 Aug 2016 | 30 Jun 2016 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 25 Jul 2016 | 25 Jul 2016 | 000-24047 |
| CORRESP | Open Document | Open Filing | 11 Jul 2016 | |||
| UPLOAD | Open Document | Open Filing | 24 Jun 2016 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jun 2016 | 27 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 May 2016 | 25 May 2016 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 May 2016 | 13 May 2016 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 13 May 2016 | 12 May 2016 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 10 May 2016 | 31 Mar 2016 | 000-24047 |
| DEF 14A | Open Document | Open Filing | SCHEDULE 14A | 06 Apr 2016 | 12 May 2016 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 10 Mar 2016 | 31 Dec 2015 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2016 | 26 Feb 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Feb 2016 | 26 Feb 2016 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 25 Feb 2016 | 25 Feb 2016 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 12 Feb 2016 | 11 Feb 2016 | 000-24047 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Feb 2016 | 11 Feb 2016 | |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 11 Feb 2016 | 005-51919 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 20 Jan 2016 | 19 Jan 2016 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 12 Nov 2015 | 30 Sep 2015 | 000-24047 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2015 | 28 Sep 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Sep 2015 | 28 Sep 2015 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Sep 2015 | 15 Sep 2015 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 11 Sep 2015 | 10 Sep 2015 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 20 Aug 2015 | 17 Aug 2015 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 14 Aug 2015 | 30 Jun 2015 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 10 Aug 2015 | 07 Aug 2015 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 14 Jul 2015 | 09 Jul 2015 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 22 Jun 2015 | 18 Jun 2015 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 14 May 2015 | 14 May 2015 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 14 May 2015 | 31 Mar 2015 | 000-24047 |
| DEF 14A | Open Document | Open Filing | SCHEDULE 14A | 16 Apr 2015 | 14 May 2015 | 000-24047 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 15 Apr 2015 | 31 Dec 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 09 Apr 2015 | 09 Apr 2015 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 18 Mar 2015 | 31 Dec 2014 | 000-24047 |
| 8-K/A | Open Document | Open Filing | FORM 8-K (AMENDMENT NO. 1) | 09 Mar 2015 | 06 Mar 2015 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 06 Mar 2015 | 06 Mar 2015 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 14 Nov 2014 | 30 Sep 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 16 Oct 2014 | 10 Oct 2014 | 000-24047 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2014 | 23 Sep 2014 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 19 Sep 2014 | 18 Sep 2014 | 000-24047 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Sep 2014 | 11 Sep 2014 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 15 Sep 2014 | 11 Sep 2014 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 14 Aug 2014 | 30 Jun 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 11 Aug 2014 | 08 Aug 2014 | 000-24047 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 15 May 2014 | 31 Mar 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 14 May 2014 | 08 May 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 08 May 2014 | 08 May 2014 | 000-24047 |
| DEF 14A | Open Document | Open Filing | DEFINITIVE PROXY STATEMENT | 11 Apr 2014 | 08 May 2014 | 000-24047 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 18 Mar 2014 | 31 Dec 2013 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 19 Feb 2014 | 18 Feb 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 10 Jan 2014 | 09 Jan 2014 | 000-24047 |
| 8-K | Open Document | Open Filing | FORM 8-K | 06 Jan 2014 | 02 Jan 2014 | 000-24047 |