| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 6-K | Open Document | Open Filing | 6-K | Nov 4, 2025 | Nov 4, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Nov 4, 2025 | Nov 4, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 31, 2025 | Oct 31, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 14, 2025 | Oct 14, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 2, 2025 | Oct 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 2, 2025 | Oct 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 30, 2025 | Sep 30, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 2, 2025 | Sep 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 2, 2025 | Sep 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 29, 2025 | Aug 29, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 26, 2025 | Jun 30, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 6, 2025 | Aug 6, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 4, 2025 | Aug 4, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 4, 2025 | Aug 4, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 31, 2025 | Jul 31, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 2, 2025 | Jul 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 2, 2025 | Jul 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 30, 2025 | Jun 30, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 30, 2025 | Jun 30, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 26, 2025 | Jun 26, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 23, 2025 | Jun 23, 2025 | 000-30852 |
| SCHEDULE 13G/A | Open Document | Open Filing | Jun 20, 2025 | 005-60531 | ||
| 6-K | Open Document | Open Filing | REPORT OF FOREIGN PRIVATE ISSUER | Jun 12, 2025 | Jun 12, 2025 | 000-30852 |
| 424B3 | Open Document | Data | Open Filing | PROSPECTUS SUPPLEMENT | Jun 11, 2025 | 333-284113 | |
| F-N | Open Document | Open Filing | FORM F-N | Jun 10, 2025 | 333-284113 | |
| 424B3 | Open Document | Open Filing | PROSPECTUS SUPPLEMENT | Jun 10, 2025 | 333-284113 | |
| POSASR | Open Document | Data | Open Filing | POST-EFFECTIVE AMENDMENT NO. 1 TO FORM F-3 | Jun 10, 2025 | 333-284113 | |
| 6-K | Open Document | Open Filing | 6-K | Jun 10, 2025 | Jun 10, 2025 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | 6-K | Jun 10, 2025 | Mar 31, 2025 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | 6-K | Jun 10, 2025 | Dec 31, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 2, 2025 | Jun 2, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 28, 2025 | Mar 31, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 23, 2025 | May 22, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 6, 2025 | May 6, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 6, 2025 | May 6, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 30, 2025 | Apr 30, 2025 | 000-30852 |
| 20-F | Open Document | Data | Open Filing | 20-F | Apr 28, 2025 | Dec 31, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 31, 2025 | Dec 31, 2024 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | 6-K | Mar 31, 2025 | Dec 31, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 27, 2025 | Mar 27, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 26, 2025 | Mar 25, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 5, 2025 | Mar 5, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 5, 2025 | Dec 31, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 25, 2025 | Feb 25, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 18, 2025 | Feb 18, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 14, 2025 | Feb 14, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 12, 2025 | Feb 12, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 7, 2025 | Feb 7, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 3, 2025 | Feb 3, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jan 24, 2025 | Jan 24, 2025 | 000-30852 |
| 424B2 | Open Document | Open Filing | 424B2 | Jan 22, 2025 | 333-283462 | |
| 6-K | Open Document | Open Filing | 6-K | Jan 22, 2025 | Jan 22, 2025 | 000-30852 |
| 424B2 | Open Document | Open Filing | 424B2 | Jan 22, 2025 | 333-283462 | |
| 6-K/A | Open Document | Open Filing | 6-K/A | Jan 10, 2025 | Jan 10, 2025 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jan 10, 2025 | Jan 10, 2025 | 000-30852 |
| F-3ASR | Open Document | Open Filing | F-3ASR | Jan 2, 2025 | 333-284113 | |
| 6-K | Open Document | Open Filing | 6-K | Dec 20, 2024 | Sep 30, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Dec 11, 2024 | Dec 11, 2024 | 000-30852 |
| SC 13G | Open Document | Open Filing | SC 13G | Dec 10, 2024 | 005-60531 | |
| 6-K | Open Document | Open Filing | 6-K | Dec 6, 2024 | Dec 6, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Dec 3, 2024 | Dec 3, 2024 | 000-30852 |
| F-3ASR | Open Document | Open Filing | F-3 | Nov 26, 2024 | 333-283462 | |
| 6-K | Open Document | Data | Open Filing | 6-K | Nov 26, 2024 | Dec 31, 2023 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | 6-K | Nov 26, 2024 | Sep 30, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Nov 5, 2024 | Sep 30, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 4, 2024 | Oct 4, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 1, 2024 | Oct 1, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 13, 2024 | Sep 12, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 27, 2024 | Aug 27, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 23, 2024 | Aug 23, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 23, 2024 | Jun 30, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 22, 2024 | Aug 21, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 22, 2024 | Jul 19, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 16, 2024 | Jul 16, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 16, 2024 | Jul 16, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 28, 2024 | Jun 27, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 18, 2024 | Jun 18, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 18, 2024 | Jun 18, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 23, 2024 | Mar 31, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 23, 2024 | May 22, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 17, 2024 | May 17, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 16, 2024 | May 16, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 8, 2024 | May 7, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 7, 2024 | May 7, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 7, 2024 | May 6, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 3, 2024 | May 2, 2024 | 000-30852 |
| 20-F | Open Document | Data | Open Filing | 20-F | Apr 26, 2024 | Dec 31, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 9, 2024 | Apr 9, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | COVER | Mar 27, 2024 | Mar 27, 2024 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 11, 2024 | Dec 31, 2023 | 000-30852 |
| UPLOAD | Open Document | Open Filing | Dec 12, 2023 | |||
| CORRESP | Open Document | Open Filing | Dec 6, 2023 | |||
| UPLOAD | Open Document | Open Filing | Nov 30, 2023 | |||
| 6-K | Open Document | Open Filing | 6-K | Nov 22, 2023 | Sep 30, 2023 | 000-30852 |
| CORRESP | Open Document | Open Filing | Nov 21, 2023 | |||
| UPLOAD | Open Document | Open Filing | Nov 8, 2023 | |||
| CORRESP | Open Document | Open Filing | Nov 1, 2023 | |||
| 6-K | Open Document | Open Filing | 6-K | Oct 17, 2023 | Oct 12, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 25, 2023 | Sep 22, 2023 | 000-30852 |
| UPLOAD | Open Document | Open Filing | Sep 20, 2023 | |||
| 6-K | Open Document | Open Filing | 6-K | Sep 5, 2023 | Sep 4, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 5, 2023 | Sep 4, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 23, 2023 | Jun 30, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 15, 2023 | Aug 11, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 2, 2023 | Aug 1, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 2, 2023 | Aug 1, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 5, 2023 | Jul 3, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jul 5, 2023 | Jul 3, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 6, 2023 | Jun 5, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 6, 2023 | Jun 5, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jun 6, 2023 | Jun 5, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 31, 2023 | May 31, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 24, 2023 | Mar 31, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 3, 2023 | May 2, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 3, 2023 | May 2, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 2, 2023 | Apr 28, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 27, 2023 | Apr 26, 2023 | 000-30852 |
| 20-F | Open Document | Data | Open Filing | 20-F | Apr 24, 2023 | Dec 31, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 24, 2023 | Mar 23, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 8, 2023 | Dec 31, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jan 4, 2023 | Jan 4, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jan 4, 2023 | Jan 4, 2023 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Nov 22, 2022 | Nov 22, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Nov 18, 2022 | Nov 18, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 20, 2022 | Oct 20, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Oct 20, 2022 | Oct 20, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 28, 2022 | Sep 28, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 9, 2022 | Sep 9, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 9, 2022 | Sep 9, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 24, 2022 | May 24, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 10, 2022 | May 9, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 10, 2022 | May 9, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 10, 2022 | May 9, 2022 | 000-30852 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Apr 25, 2022 | Dec 31, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 20, 2022 | Apr 20, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 20, 2022 | Apr 19, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 21, 2022 | Mar 21, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 17, 2022 | Mar 17, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 25, 2022 | Feb 25, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 16, 2022 | Feb 16, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 10, 2022 | Feb 10, 2022 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 29, 2021 | Nov 29, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 17, 2021 | Nov 17, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 19, 2021 | Oct 19, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 4, 2021 | Oct 4, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 1, 2021 | Oct 1, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 20, 2021 | Sep 20, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 31, 2021 | Aug 31, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 31, 2021 | Aug 31, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 11, 2021 | Aug 11, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 28, 2021 | Jul 28, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 1, 2021 | Jun 1, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 20, 2021 | May 20, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 12, 2021 | May 12, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 12, 2021 | May 12, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 4, 2021 | May 4, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 3, 2021 | May 3, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 30, 2021 | Apr 30, 2021 | 000-30852 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Apr 23, 2021 | Dec 31, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 20, 2021 | Apr 20, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 16, 2021 | Apr 16, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 30, 2021 | Mar 30, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 30, 2021 | Mar 30, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 17, 2021 | Mar 17, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 10, 2021 | Mar 10, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 16, 2021 | Feb 16, 2021 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 17, 2020 | Dec 17, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 17, 2020 | Dec 17, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 16, 2020 | Dec 16, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 30, 2020 | Nov 30, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 13, 2020 | Nov 13, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 12, 2020 | Nov 12, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 27, 2020 | Oct 27, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 7, 2020 | Oct 7, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 2, 2020 | Oct 2, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 2, 2020 | Oct 2, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 29, 2020 | Sep 29, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 29, 2020 | Sep 29, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 28, 2020 | Sep 28, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 25, 2020 | Sep 25, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 16, 2020 | Sep 16, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 9, 2020 | Sep 9, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 27, 2020 | Aug 27, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 19, 2020 | Aug 19, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 29, 2020 | Jul 29, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 29, 2020 | Jun 29, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 10, 2020 | Jun 10, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 29, 2020 | May 29, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 28, 2020 | May 28, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 12, 2020 | May 12, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 6, 2020 | May 6, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 1, 2020 | May 1, 2020 | 000-30852 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | Apr 29, 2020 | Dec 31, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 24, 2020 | Apr 24, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 20, 2020 | Apr 20, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 9, 2020 | Apr 9, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 8, 2020 | Apr 8, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 11, 2020 | Mar 11, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 27, 2020 | Feb 27, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 21, 2020 | Feb 21, 2020 | 000-30852 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2020 | 005-60531 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 17, 2020 | Jan 17, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 14, 2020 | Jan 14, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 3, 2020 | Jan 3, 2020 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 11, 2019 | Dec 11, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 14, 2019 | Nov 14, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 13, 2019 | Nov 13, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 1, 2019 | Nov 1, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 1, 2019 | Nov 1, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 27, 2019 | Sep 27, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 24, 2019 | Sep 24, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 23, 2019 | Sep 23, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 18, 2019 | Sep 18, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 10, 2019 | Sep 10, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 10, 2019 | Sep 10, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 10, 2019 | Sep 10, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 5, 2019 | Sep 5, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 3, 2019 | Sep 3, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 23, 2019 | Aug 23, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 16, 2019 | Aug 16, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 14, 2019 | Aug 14, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 23, 2019 | Jul 23, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 3, 2019 | Jul 3, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 1, 2019 | Jul 1, 2019 | 000-30852 |
| 20-F/A | Open Document | Data | Open Filing | FORM 20-F/A | May 28, 2019 | Dec 31, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 16, 2019 | May 16, 2019 | 000-30852 |
| 20-F | Open Document | Open Filing | FORM 20-F | May 15, 2019 | Dec 31, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 3, 2019 | May 3, 2019 | 000-30852 |
| NT 20-F | Open Document | Open Filing | NT 20-F | Apr 30, 2019 | Dec 31, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 30, 2019 | Apr 30, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 29, 2019 | Apr 29, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 29, 2019 | Mar 29, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 29, 2019 | Mar 29, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 20, 2019 | Mar 20, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 8, 2019 | Mar 8, 2019 | 000-30852 |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 14, 2019 | 005-60531 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Feb 14, 2019 | 005-60531 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 4, 2019 | Feb 4, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 24, 2019 | Jan 24, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 23, 2019 | Jan 23, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 15, 2019 | Jan 15, 2019 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 26, 2018 | Dec 26, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 19, 2018 | Dec 19, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 18, 2018 | Dec 18, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 12, 2018 | Dec 12, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 28, 2018 | Nov 28, 2018 | 000-30852 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | Nov 9, 2018 | 005-60531 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 12, 2018 | Oct 12, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 28, 2018 | Sep 28, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 30, 2018 | Aug 30, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 28, 2018 | Aug 28, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 17, 2018 | Aug 17, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 25, 2018 | Jul 25, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 11, 2018 | Jul 11, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 11, 2018 | Jul 11, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 14, 2018 | Jun 14, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 30, 2018 | May 30, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 24, 2018 | May 24, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 15, 2018 | May 15, 2018 | 000-30852 |
| 20-F/A | Open Document | Open Filing | AMENDMENT NO. 1 TO FORM 20-F | May 9, 2018 | Dec 31, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 3, 2018 | May 3, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 3, 2018 | May 3, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 26, 2018 | Apr 26, 2018 | 000-30852 |
| 20-F | Open Document | Open Filing | FORM 20-F | Apr 19, 2018 | Dec 31, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 30, 2018 | Mar 30, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 30, 2018 | Mar 30, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 30, 2018 | Mar 30, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 22, 2018 | Mar 22, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 14, 2018 | Mar 14, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 12, 2018 | Mar 12, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 12, 2018 | Mar 12, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 12, 2018 | Mar 12, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 12, 2018 | Mar 12, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 5, 2018 | Mar 5, 2018 | 000-30852 |
| SC 13G | Open Document | Open Filing | SC 13G | Feb 14, 2018 | 005-60531 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 13, 2018 | Feb 13, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 7, 2018 | Feb 7, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 7, 2018 | Feb 7, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 26, 2018 | Jan 26, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 17, 2018 | Jan 17, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 17, 2018 | Jan 17, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 10, 2018 | Jan 10, 2018 | 000-30852 |
| SC 13G | Open Document | Open Filing | SC 13G | Jan 10, 2018 | 005-60531 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 10, 2018 | Jan 10, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 10, 2018 | Jan 10, 2018 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 3, 2018 | Dec 29, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 3, 2018 | Dec 29, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 18, 2017 | Dec 18, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 15, 2017 | Dec 15, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 8, 2017 | Dec 8, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 5, 2017 | Dec 5, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 5, 2017 | Dec 5, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 30, 2017 | Nov 30, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 29, 2017 | Nov 29, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 13, 2017 | Nov 13, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 13, 2017 | Nov 13, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 13, 2017 | Nov 13, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 8, 2017 | Nov 8, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 23, 2017 | Oct 23, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 13, 2017 | Oct 13, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 13, 2017 | Oct 13, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 2, 2017 | Oct 2, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 27, 2017 | Sep 27, 2017 | 000-30852 |
| 424B2 | Open Document | Open Filing | FINAL PROSPECTUS SUPPLEMENT | Sep 27, 2017 | 333-220395 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 8, 2017 | Sep 8, 2017 | 000-30852 |
| 424B5 | Open Document | Open Filing | PRELIMINARY PROSPECTUS SUPPLEMENT | Sep 8, 2017 | 333-220395 | |
| F-3ASR | Open Document | Open Filing | F-3ASR | Sep 8, 2017 | 333-220395 | |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 6, 2017 | Sep 6, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 22, 2017 | Aug 22, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 22, 2017 | Aug 22, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 18, 2017 | Aug 18, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 15, 2017 | Aug 15, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 15, 2017 | Aug 15, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 15, 2017 | Aug 15, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 10, 2017 | Aug 10, 2017 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Jul 21, 2017 | Jul 21, 2017 | 000-30852 |
| UPLOAD | Open Document | Open Filing | Jul 20, 2017 | |||
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Jul 17, 2017 | Jul 17, 2017 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Jul 17, 2017 | Jul 17, 2017 | 000-30852 |
| CORRESP | Open Document | Open Filing | Jul 7, 2017 | |||
| UPLOAD | Open Document | Open Filing | Jun 26, 2017 | |||
| 6-K | Open Document | Open Filing | FORM 6-K | May 19, 2017 | May 19, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 12, 2017 | May 12, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 4, 2017 | May 4, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 4, 2017 | May 4, 2017 | 000-30852 |
| 20-F | Open Document | Open Filing | FORM 20-F | May 1, 2017 | Dec 31, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 21, 2017 | Apr 21, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 21, 2017 | Apr 21, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 17, 2017 | Apr 17, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 17, 2017 | Apr 17, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 7, 2017 | Apr 7, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 7, 2017 | Apr 7, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 5, 2017 | Apr 5, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 5, 2017 | Apr 5, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 5, 2017 | Apr 5, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 5, 2017 | Apr 5, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 24, 2017 | Mar 24, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 24, 2017 | Mar 24, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 14, 2017 | Mar 14, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 22, 2017 | Feb 22, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 30, 2017 | Jan 30, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 25, 2017 | Jan 25, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 20, 2017 | Jan 20, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 17, 2017 | Jan 17, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 17, 2017 | Jan 17, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 12, 2017 | Jan 12, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 12, 2017 | Jan 12, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 12, 2017 | Jan 12, 2017 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 8, 2016 | Dec 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 8, 2016 | Dec 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 17, 2016 | Nov 17, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 10, 2016 | Nov 10, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 10, 2016 | Nov 10, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 25, 2016 | Oct 25, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 25, 2016 | Oct 25, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 20, 2016 | Oct 20, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 18, 2016 | Oct 18, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 29, 2016 | Aug 29, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 29, 2016 | Aug 29, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 10, 2016 | Aug 10, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2016 | Aug 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2016 | Aug 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2016 | Aug 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2016 | Aug 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2016 | Aug 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2016 | Aug 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 8, 2016 | Jul 8, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 27, 2016 | Jun 27, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Jun 8, 2016 | Jun 8, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Jun 7, 2016 | Jun 7, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Jun 3, 2016 | Jun 3, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | May 12, 2016 | May 11, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | May 11, 2016 | May 11, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | May 4, 2016 | May 4, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | May 3, 2016 | May 3, 2016 | 000-30852 |
| 20-F | Open Document | Open Filing | FORM 20-F | Apr 29, 2016 | Dec 31, 2015 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 28, 2016 | Apr 28, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 28, 2016 | Apr 28, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 26, 2016 | Apr 26, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 22, 2016 | Apr 22, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 21, 2016 | Apr 21, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 19, 2016 | Apr 19, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 8, 2016 | Apr 8, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Apr 1, 2016 | Apr 1, 2016 | 000-30852 |
| 6-K | Open Document | Data | Open Filing | FORM 6-K | Mar 17, 2016 | Mar 17, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 16, 2016 | Feb 16, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 12, 2016 | Feb 12, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 3, 2016 | Feb 3, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 25, 2016 | Jan 25, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 21, 2016 | Jan 21, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 20, 2016 | Jan 20, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 19, 2016 | Jan 19, 2016 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 31, 2015 | Dec 31, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 21, 2015 | Dec 21, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 23, 2015 | Nov 23, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 10, 2015 | Nov 10, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 26, 2015 | Oct 26, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 19, 2015 | Oct 19, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 16, 2015 | Oct 16, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 8, 2015 | Oct 8, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 22, 2015 | Sep 22, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 14, 2015 | Sep 14, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 14, 2015 | Sep 14, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 25, 2015 | Aug 25, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 11, 2015 | Aug 11, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 7, 2015 | Aug 7, 2015 | 000-30852 |
| 6-K/A | Open Document | Open Filing | FORM 6-K AMENDMENT | Aug 4, 2015 | Aug 4, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 28, 2015 | Jul 28, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 28, 2015 | Jul 28, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 16, 2015 | Jul 16, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 8, 2015 | Jul 8, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 26, 2015 | May 26, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 14, 2015 | May 14, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 11, 2015 | May 11, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 8, 2015 | May 8, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 4, 2015 | May 4, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 30, 2015 | Apr 30, 2015 | 000-30852 |
| 20-F | Open Document | Open Filing | 20-F | Apr 30, 2015 | Dec 31, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 23, 2015 | Apr 23, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 16, 2015 | Apr 16, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 30, 2015 | Mar 30, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Mar 19, 2015 | Mar 19, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 3, 2015 | Mar 3, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 13, 2015 | Feb 13, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jan 26, 2015 | Jan 26, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 16, 2015 | Jan 16, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 14, 2015 | Jan 14, 2015 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Dec 5, 2014 | Dec 5, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Nov 21, 2014 | Nov 21, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Nov 6, 2014 | Nov 6, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 31, 2014 | Oct 31, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Oct 22, 2014 | Oct 22, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 26, 2014 | Sep 26, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Sep 24, 2014 | Sep 24, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Sep 3, 2014 | Sep 3, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 28, 2014 | Aug 28, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 27, 2014 | Aug 27, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Aug 27, 2014 | Aug 27, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 13, 2014 | Aug 13, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Aug 8, 2014 | Aug 8, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jul 24, 2014 | Jul 24, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jun 16, 2014 | Jun 16, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 28, 2014 | May 28, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 22, 2014 | May 22, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 15, 2014 | May 15, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 8, 2014 | May 8, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | May 8, 2014 | May 8, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 6, 2014 | May 6, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 6, 2014 | May 6, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | May 6, 2014 | May 6, 2014 | 000-30852 |
| 20-F | Open Document | Open Filing | FORM 20-F | Apr 30, 2014 | Dec 31, 2013 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 28, 2014 | Apr 28, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 23, 2014 | Apr 23, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Apr 16, 2014 | Apr 16, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Apr 9, 2014 | Apr 9, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 28, 2014 | Mar 28, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Mar 26, 2014 | Mar 26, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 27, 2014 | Feb 27, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 27, 2014 | Feb 27, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 26, 2014 | Feb 26, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Feb 25, 2014 | Feb 25, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Feb 19, 2014 | Feb 19, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | FORM 6-K | Jan 31, 2014 | Jan 31, 2014 | 000-30852 |
| 6-K | Open Document | Open Filing | 6-K | Jan 29, 2014 | Jan 29, 2014 | 000-30852 |