| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 6-K | Open Document | Open Filing | FORM 6-K | 27 Aug 2025 | 26 Aug 2025 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 27 Aug 2025 | 11 Jul 2025 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 27 Aug 2025 | 18 Jun 2025 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 27 Aug 2025 | 31 May 2025 | 000-17729 |
| SCHEDULE 13D | Open Document | Open Filing | 26 Aug 2025 | 005-85233 | ||
| 4 | Open Document | Open Filing | FORM 4 | 14 Aug 2025 | 31 Jul 2025 | |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 15 Jul 2025 | 31 Dec 2024 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 29 Nov 2024 | 30 Sep 2024 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 06 Sep 2024 | 30 Jun 2024 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 06 Sep 2024 | 13 Jun 2024 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 06 Sep 2024 | 05 Sep 2024 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 14 May 2024 | 14 May 2024 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 02 Apr 2024 | 01 Apr 2024 | 000-17729 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 02 Apr 2024 | 31 Dec 2023 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 17 Nov 2023 | 30 Sep 2023 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 17 Nov 2023 | 30 Jun 2023 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 17 Nov 2023 | 30 Jun 2023 | 000-17729 |
| 6-K/A | Open Document | Open Filing | FORM 6-K/A | 17 Nov 2023 | 31 Mar 2023 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 24 May 2023 | 31 Mar 2023 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 31 Mar 2023 | 31 Mar 2023 | 000-17729 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 31 Mar 2023 | 31 Dec 2022 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 15 Nov 2022 | 15 Nov 2022 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 24 Aug 2022 | 24 Aug 2022 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 26 May 2022 | 25 May 2022 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 07 Apr 2022 | 29 Mar 2022 | 000-17729 |
| 20-F/A | Open Document | Data | Open Filing | FORM 20-F/A | 07 Apr 2022 | 31 Dec 2021 | 000-17729 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 01 Apr 2022 | 31 Dec 2021 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 01 Dec 2021 | 30 Nov 2021 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 01 Dec 2021 | 31 Aug 2021 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 01 Dec 2021 | 30 Jun 2021 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 30 Nov 2021 | 31 May 2021 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 30 Nov 2021 | 30 Apr 2021 | 000-17729 |
| 20-F | Open Document | Open Filing | FORM 20-F | 26 Mar 2021 | 31 Dec 2020 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 02 Dec 2020 | 30 Nov 2020 | 000-17729 |
| SC 13D | Open Document | Open Filing | SC 13D | 30 Oct 2020 | 005-85233 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2020 | 31 Jul 2020 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Oct 2020 | 01 Mar 2016 | |
| 6-K | Open Document | Open Filing | 6-K | 01 Sep 2020 | 31 Aug 2020 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 21 Aug 2020 | 31 Jul 2020 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 21 Aug 2020 | 30 Jun 2020 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 21 Aug 2020 | 31 May 2020 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 21 Aug 2020 | 31 Mar 2020 | 000-17729 |
| EFFECT | Open Document | Open Filing | 26 Jun 2020 | 333-235559 | ||
| 424B2 | Open Document | Open Filing | 424B2 | 26 Jun 2020 | 333-235559 | |
| CORRESP | Open Document | Open Filing | 23 Jun 2020 | |||
| F-1/A | Open Document | Open Filing | FORM F-1/A AMENDMENT NO. 4 | 19 Jun 2020 | 333-235559 | |
| CORRESP | Open Document | Open Filing | 12 Jun 2020 | |||
| CORRESP | Open Document | Open Filing | 02 Jun 2020 | |||
| F-1/A | Open Document | Open Filing | F-1/A AMENDMENT NO. 3 | 12 May 2020 | 333-235559 | |
| UPLOAD | Open Document | Open Filing | 09 Apr 2020 | |||
| 20-F | Open Document | Open Filing | 20-F | 31 Mar 2020 | 31 Dec 2019 | 000-17729 |
| F-1/A | Open Document | Open Filing | F-1/A | 27 Mar 2020 | 333-235559 | |
| UPLOAD | Open Document | Open Filing | 14 Feb 2020 | |||
| F-1/A | Open Document | Open Filing | F-1/A | 03 Feb 2020 | 333-235559 | |
| UPLOAD | Open Document | Open Filing | 09 Jan 2020 | |||
| 6-K | Open Document | Open Filing | 6-K | 19 Dec 2019 | 18 Dec 2019 | 000-17729 |
| F-1 | Open Document | Open Filing | F-1 | 18 Dec 2019 | 333-235559 | |
| 6-K | Open Document | Open Filing | 6-K | 13 Dec 2019 | 30 Nov 2019 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 13 Dec 2019 | 31 Aug 2019 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 13 Dec 2019 | 31 May 2019 | 000-17729 |
| 20-F | Open Document | Open Filing | 20-F | 29 Mar 2019 | 31 Dec 2018 | 000-17729 |
| 6-K | Open Document | Open Filing | FORM 6-K | 22 Mar 2019 | 29 Nov 2018 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 22 Aug 2018 | 22 Aug 2018 | 000-17729 |
| 6-K | Open Document | Open Filing | 6-K | 04 Jun 2018 | 01 Jun 2018 | 000-17729 |
| 20-F | Open Document | Open Filing | FORM 20-F | 30 Apr 2018 | 31 Dec 2017 | 000-17729 |
| 20-F | Open Document | Open Filing | 20-F | 30 Mar 2017 | 31 Dec 2016 | 000-17729 |
| 20-F | Open Document | Open Filing | 20-F | 06 Sep 2016 | 31 Dec 2015 | 000-17729 |
| 20-F | Open Document | Open Filing | FORM 20-F | 02 Apr 2015 | 31 Dec 2014 | 000-17729 |
| 20-F | Open Document | Open Filing | 20-F | 29 Apr 2014 | 31 Dec 2013 | 000-17729 |