| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 8-K | Open Document | Data | Open Filing | 08 May 2024 | 08 May 2024 | 000-55896 | |
| 15-12G | Open Document | Open Filing | 07 May 2024 | 000-55896 | ||
| NT 10-K | Open Document | Open Filing | 01 Apr 2024 | 31 Dec 2023 | 000-55896 | |
| 8-K | Open Document | Data | Open Filing | 25 Jan 2024 | 07 Nov 2023 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 12 Jan 2024 | 30 Sep 2023 | 000-55896 | |
| NT 10-Q | Open Document | Open Filing | 15 Nov 2023 | 30 Sep 2023 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 20 Sep 2023 | 30 Jun 2023 | 000-55896 | |
| 8-K | Open Document | Data | Open Filing | 18 Sep 2023 | 15 Sep 2023 | 000-55896 | |
| NT 10-Q | Open Document | Open Filing | 14 Aug 2023 | 30 Jun 2023 | 000-55896 | |
| 8-K | Open Document | Data | Open Filing | 02 Aug 2023 | 02 Aug 2023 | 000-55896 | |
| 8-K | Open Document | Data | Open Filing | 14 Jun 2023 | 12 Jun 2023 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 26 May 2023 | 31 Mar 2023 | 000-55896 | |
| 3 | Open Document | Open Filing | 15 May 2023 | 24 Aug 2015 | ||
| SC 13G | Open Document | Open Filing | 15 May 2023 | 005-91214 | ||
| NT 10-Q | Open Document | Open Filing | 15 May 2023 | 31 Mar 2023 | 000-55896 | |
| 10-K | Open Document | Data | Open Filing | 05 May 2023 | 31 Dec 2022 | 000-55896 | |
| NT 10-K | Open Document | Open Filing | 30 Mar 2023 | 31 Dec 2022 | 000-55896 | |
| SC 13D/A | Open Document | Open Filing | 30 Mar 2023 | 005-91214 | ||
| SC 13D | Open Document | Open Filing | 30 Mar 2023 | 005-91214 | ||
| 4/A | Open Document | Open Filing | 29 Mar 2023 | 31 Dec 2022 | ||
| 8-K/A | Open Document | Data | Open Filing | 23 Mar 2023 | 10 Mar 2023 | 000-55896 | |
| 4 | Open Document | Open Filing | 02 Feb 2023 | 10 Jan 2023 | ||
| 4 | Open Document | Open Filing | 02 Feb 2023 | 10 Jan 2023 | ||
| 3 | Open Document | Open Filing | 02 Feb 2023 | 10 Jan 2023 | ||
| 3 | Open Document | Open Filing | 02 Feb 2023 | 10 Jan 2023 | ||
| 8-K | Open Document | Data | Open Filing | 31 Jan 2023 | 03 Jan 2023 | 000-55896 | |
| 10-Q/A | Open Document | Data | Open Filing | 30 Jan 2023 | 30 Sep 2022 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 05 Jan 2023 | 30 Sep 2022 | 000-55896 | |
| 8-K | Open Document | Data | Open Filing | 04 Jan 2023 | 03 Jan 2023 | 000-55896 | |
| NT 10-Q | Open Document | Open Filing | 15 Nov 2022 | 30 Sep 2022 | 000-55896 | |
| D/A | Open Document | Open Filing | 19 Oct 2022 | 021-412111 | ||
| 8-K | Open Document | Data | Open Filing | 26 Aug 2022 | 22 Aug 2022 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 19 Aug 2022 | 30 Jun 2022 | 000-55896 | |
| NT 10-Q | Open Document | Open Filing | 15 Aug 2022 | 30 Jun 2022 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 27 May 2022 | 31 Mar 2022 | 000-55896 | |
| 10-K/A | Open Document | Data | Open Filing | 18 May 2022 | 31 Dec 2021 | 000-55896 | |
| NT 10-Q | Open Document | Open Filing | 13 May 2022 | 31 Mar 2022 | 000-55896 | |
| 10-K | Open Document | Data | Open Filing | 06 May 2022 | 31 Dec 2021 | 000-55896 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2022 | 31 Dec 2021 | 000-55896 | |
| 4 | Open Document | Open Filing | 24 Feb 2022 | 19 Dec 2021 | ||
| SC 13D/A | Open Document | Open Filing | 24 Feb 2022 | 005-91214 | ||
| 4 | Open Document | Open Filing | 23 Feb 2022 | 19 Dec 2021 | ||
| 4 | Open Document | Open Filing | 23 Feb 2022 | 19 Dec 2021 | ||
| 4 | Open Document | Open Filing | 23 Feb 2022 | 19 Dec 2021 | ||
| D | Open Document | Open Filing | 31 Jan 2022 | 021-431584 | ||
| D/A | Open Document | Open Filing | 31 Jan 2022 | 021-412111 | ||
| D/A | Open Document | Open Filing | 26 Jan 2022 | 021-412111 | ||
| 8-K | Open Document | Data | Open Filing | 30 Dec 2021 | 13 Dec 2021 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 29 Nov 2021 | 30 Sep 2021 | 000-55896 | |
| 8-K/A | Open Document | Data | Open Filing | 26 Nov 2021 | 26 Nov 2021 | 000-55896 | |
| NT 10-Q | Open Document | Open Filing | 15 Nov 2021 | 30 Sep 2021 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 12 Nov 2021 | 30 Jun 2021 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 27 Oct 2021 | 31 Mar 2021 | 000-55896 | |
| 10-K | Open Document | Data | Open Filing | 04 Oct 2021 | 31 Dec 2020 | 000-55896 | |
| D | Open Document | Open Filing | 02 Sep 2021 | 021-412111 | ||
| 10-K/A | Open Document | Data | Open Filing | 17 Aug 2021 | 31 Dec 2019 | 000-55896 | |
| 3 | Open Document | Open Filing | 16 Aug 2021 | 02 Apr 2019 | ||
| NT 10-Q | Open Document | Open Filing | 16 Aug 2021 | 30 Jun 2021 | 000-55896 | |
| 8-K | Open Document | Open Filing | 16 Aug 2021 | 07 Aug 2021 | 000-55896 | |
| SC 13D/A | Open Document | Open Filing | 13 Aug 2021 | 005-91214 | ||
| 4 | Open Document | Open Filing | 09 Jul 2021 | 24 Jun 2021 | ||
| 4 | Open Document | Open Filing | 09 Jul 2021 | 14 Apr 2020 | ||
| 4 | Open Document | Open Filing | 09 Jul 2021 | 24 Jun 2021 | ||
| 3 | Open Document | Open Filing | 30 Jun 2021 | 31 May 2021 | ||
| 8-K | Open Document | Open Filing | 04 Jun 2021 | 31 May 2021 | 000-55896 | |
| 8-K/A | Open Document | Open Filing | 02 Jun 2021 | 30 Apr 2021 | 000-55896 | |
| 8-K | Open Document | Open Filing | 04 May 2021 | 01 Jan 2021 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 13 Apr 2021 | 30 Sep 2020 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 13 Apr 2021 | 30 Jun 2020 | 000-55896 | |
| 10-Q | Open Document | Data | Open Filing | 13 Apr 2021 | 31 Mar 2020 | 000-55896 | |
| NT 10-K | Open Document | Open Filing | 31 Mar 2021 | 31 Dec 2020 | 000-55896 | |
| 10-K | Open Document | Data | Open Filing | 16 Feb 2021 | 31 Dec 2019 | 000-55896 | |
| 8-K | Open Document | Open Filing | 11 Jan 2021 | 01 Jan 2021 | 000-55896 | |
| 8-K/A | Open Document | Open Filing | 03 Aug 2020 | 15 Apr 2020 | 000-55896 | |
| 3 | Open Document | Open Filing | 12 Jun 2020 | 29 May 2020 | ||
| 8-K | Open Document | Open Filing | 10 Jun 2020 | 29 May 2020 | 000-55896 | |
| 10-K/A | Open Document | Data | Open Filing | 05 Jun 2020 | 31 Dec 2018 | 000-55896 | |
| 8-K | Open Document | Open Filing | 20 Apr 2020 | 15 Apr 2020 | 000-55896 | |
| SC 13D/A | Open Document | Open Filing | 07 Apr 2020 | 005-91214 | ||
| 8-K/A | Open Document | Open Filing | 06 Apr 2020 | 02 Apr 2020 | 000-55896 | |
| 8-K | Open Document | Open Filing | 06 Apr 2020 | 02 Apr 2020 | 000-55896 | |
| 4 | Open Document | Open Filing | 02 Apr 2020 | 30 May 2019 | ||
| NT 10-K | Open Document | Open Filing | 01 Apr 2020 | 31 Dec 2019 | 000-55896 | |
| 10-K | Open Document | Data | Open Filing | 01 Apr 2020 | 31 Dec 2018 | 000-55896 | |
| 8-K | Open Document | Open Filing | 27 Jan 2020 | 17 Jan 2020 | 000-55896 | |
| DEF 14C | Open Document | Open Filing | 09 Jan 2020 | 09 Jan 2020 | 000-55896 | |
| PRE 14C | Open Document | Open Filing | 23 Dec 2019 | 23 Dec 2019 | 000-55896 | |
| SC 13D | Open Document | Open Filing | 26 Nov 2019 | 005-91214 | ||
| SC 13D | Open Document | Open Filing | 20 Nov 2019 | 005-91214 | ||
| 4 | Open Document | Open Filing | 19 Nov 2019 | 02 Apr 2019 | ||
| 3 | Open Document | Open Filing | 19 Jul 2019 | 18 Jun 2019 | ||
| 8-K | Open Document | Open Filing | 10 Jul 2019 | 26 Jun 2019 | 000-55896 | |
| 8-K | Open Document | Open Filing | 18 Jun 2019 | 18 Jun 2019 | 000-55896 | |
| 8-K | Open Document | Open Filing | 27 Mar 2019 | 26 Mar 2019 | 000-55896 | |
| 8-K | Open Document | Open Filing | 22 Mar 2019 | 19 Mar 2019 | 000-55896 | |
| 8-K | Open Document | Open Filing | 19 Mar 2019 | 13 Mar 2019 | 000-55896 | |
| 3 | Open Document | Open Filing | 15 Feb 2019 | 05 Feb 2019 | ||
| 3 | Open Document | Open Filing | 15 Feb 2019 | 05 Feb 2019 | ||
| 8-K | Open Document | Open Filing | 11 Feb 2019 | 05 Feb 2019 | 000-55896 | |
| 8-K | Open Document | Open Filing | 29 May 2018 | 22 May 2018 | 000-55896 | |
| 8-K/A | Open Document | Open Filing | 11 Apr 2018 | 29 Mar 2018 | 000-55896 | |
| 8-K | Open Document | Open Filing | 05 Apr 2018 | 29 Mar 2018 | 000-55896 | |
| 3 | Open Document | Open Filing | 27 Mar 2018 | 26 Mar 2018 | ||
| 3 | Open Document | Open Filing | 27 Mar 2018 | 26 Mar 2018 | ||
| 10-12G | Open Document | Open Filing | 23 Jan 2018 | 000-55896 | ||
| D | Open Document | Open Filing | 12 Sep 2017 | 021-294498 | ||
| D | Open Document | Open Filing | 28 Jun 2017 | 021-289648 | ||
| D | Open Document | Open Filing | 20 Apr 2017 | 021-285171 | ||
| D | Open Document | Open Filing | 23 Feb 2017 | 021-281206 | ||
| D | Open Document | Open Filing | 02 Aug 2016 | 021-268174 | ||
| D/A | Open Document | Open Filing | 11 Apr 2016 | 021-257145 | ||
| D/A | Open Document | Open Filing | 11 Apr 2016 | 021-248863 | ||
| D | Open Document | Open Filing | 08 Apr 2016 | 021-260950 | ||
| D | Open Document | Open Filing | 10 Feb 2016 | 021-257145 | ||
| D | Open Document | Open Filing | 07 Oct 2015 | 021-248863 |