| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 6-K | Open Document | Open Filing | 6-K | 19 Nov 2025 | 19 Nov 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Nov 2025 | 18 Nov 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Nov 2025 | 17 Nov 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 Aug 2025 | 12 Aug 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 Aug 2025 | 12 Aug 2025 | 000-29256 |
| S-8 | Open Document | Data | Open Filing | S-8 | 11 Aug 2025 | 333-289474 | |
| 6-K | Open Document | Open Filing | 6-K | 07 Aug 2025 | 07 Aug 2025 | 000-29256 |
| SCHEDULE 13D/A | Open Document | Open Filing | 08 Jul 2025 | 005-60211 | ||
| 6-K | Open Document | Open Filing | 6-K | 02 Jul 2025 | 02 Jul 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Jun 2025 | 30 Jun 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 19 May 2025 | 19 May 2025 | 000-29256 |
| SCHEDULE 13G/A | Open Document | Open Filing | 15 May 2025 | 005-60211 | ||
| 20-F | Open Document | Data | Open Filing | 20-F | 17 Mar 2025 | 31 Dec 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 11 Mar 2025 | 11 Mar 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 11 Mar 2025 | 11 Mar 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 27 Feb 2025 | 27 Feb 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 19 Feb 2025 | 19 Feb 2025 | 000-29256 |
| 6-K/A | Open Document | Open Filing | 6-K/A | 27 Jan 2025 | 27 Jan 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Jan 2025 | 22 Jan 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Jan 2025 | 21 Jan 2025 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 Nov 2024 | 20 Nov 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Nov 2024 | 14 Nov 2024 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 12 Nov 2024 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 09 Oct 2024 | 09 Oct 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 01 Oct 2024 | 01 Oct 2024 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 30 Sep 2024 | 005-60211 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 23 Sep 2024 | 005-60211 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 09 Sep 2024 | 005-60211 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 03 Sep 2024 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 13 Aug 2024 | 13 Aug 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 02 Aug 2024 | 02 Aug 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Jul 2024 | 22 Jul 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Jul 2024 | 17 Jul 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 May 2024 | 20 May 2024 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 09 Apr 2024 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 21 Mar 2024 | 21 Mar 2024 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | 20-F | 21 Mar 2024 | 31 Dec 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Mar 2024 | 21 Mar 2024 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Feb 2024 | 14 Feb 2024 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | 14 Feb 2024 | 005-60211 | ||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 16 Jan 2024 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 22 Dec 2023 | 22 Dec 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Dec 2023 | 21 Dec 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 Nov 2023 | 28 Nov 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 05 Sep 2023 | 05 Sep 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Aug 2023 | 30 Aug 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Aug 2023 | 30 Aug 2023 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 15 Jun 2023 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 15 May 2023 | 15 May 2023 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | 20-F | 23 Mar 2023 | 31 Dec 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Mar 2023 | 22 Mar 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Mar 2023 | 22 Mar 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Mar 2023 | 14 Mar 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 06 Mar 2023 | 06 Mar 2023 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 14 Feb 2023 | 005-60211 | |
| SC 13G/A | Open Document | Open Filing | 13 Feb 2023 | 005-60211 | ||
| 6-K | Open Document | Open Filing | 6-K | 08 Feb 2023 | 08 Feb 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 01 Feb 2023 | 01 Feb 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Jan 2023 | 17 Jan 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 09 Jan 2023 | 09 Jan 2023 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Nov 2022 | 25 Nov 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Nov 2022 | 25 Nov 2022 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 Oct 2022 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 30 Aug 2022 | 30 Aug 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Aug 2022 | 30 Aug 2022 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 11 Aug 2022 | 005-60211 | |
| S-8 | Open Document | Open Filing | S-8 | 25 Jul 2022 | 333-266312 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Jun 2022 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 17 May 2022 | 17 May 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 May 2022 | 17 May 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Apr 2022 | 25 Apr 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Apr 2022 | 25 Apr 2022 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | FORM 20-F | 15 Mar 2022 | 31 Dec 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Mar 2022 | 15 Mar 2022 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Mar 2022 | 15 Mar 2022 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Feb 2022 | 005-60211 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 07 Feb 2022 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 30 Nov 2021 | 30 Nov 2021 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 10 Nov 2021 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 19 Aug 2021 | 19 Aug 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Aug 2021 | 17 Aug 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 16 Aug 2021 | 16 Aug 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 16 Aug 2021 | 16 Aug 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Jul 2021 | 15 Jul 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 Jul 2021 | 12 Jul 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 May 2021 | 12 May 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 May 2021 | 12 May 2021 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Mar 2021 | 25 Mar 2021 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | 20-F | 25 Mar 2021 | 31 Dec 2020 | 000-29256 |
| S-8 POS | Open Document | Open Filing | S-8 POS | 18 Mar 2021 | 333-199295 | |
| 6-K | Open Document | Open Filing | 6-K | 02 Mar 2021 | 02 Mar 2021 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 11 Feb 2021 | 005-60211 | |
| SC 13G/A | Open Document | Open Filing | 11 Feb 2021 | 005-60211 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 04 Feb 2021 | 005-60211 | |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 07 Jan 2021 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 10 Nov 2020 | 10 Nov 2020 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 27 Oct 2020 | 005-60211 | |
| SC 13G | Open Document | Open Filing | SC 13G | 22 Sep 2020 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 15 Sep 2020 | 15 Sep 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Sep 2020 | 14 Sep 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 01 Sep 2020 | 01 Sep 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Aug 2020 | 17 Aug 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Aug 2020 | 03 Aug 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 10 Jun 2020 | 10 Jun 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 10 Jun 2020 | 09 Jun 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 04 Jun 2020 | 04 Jun 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 May 2020 | 21 May 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 May 2020 | 21 May 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 Apr 2020 | 28 Apr 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Apr 2020 | 22 Apr 2020 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | 20-F | 19 Mar 2020 | 31 Dec 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 19 Mar 2020 | 19 Mar 2020 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Mar 2020 | 03 Mar 2020 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2020 | 005-60211 | |
| SC 13G | Open Document | Open Filing | 12 Feb 2020 | 005-60211 | ||
| 6-K | Open Document | Open Filing | 6-K | 27 Jan 2020 | 27 Jan 2020 | 000-29256 |
| UPLOAD | Open Document | Open Filing | 22 Jan 2020 | |||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Jan 2020 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 22 Jan 2020 | 22 Jan 2020 | 000-29256 |
| CORRESP | Open Document | Open Filing | 21 Jan 2020 | |||
| 20-F/A | Open Document | Open Filing | 20-F/A | 21 Jan 2020 | 31 Dec 2018 | 000-29256 |
| UPLOAD | Open Document | Open Filing | 06 Jan 2020 | |||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 06 Jan 2020 | 005-60211 | |
| EFFECT | Open Document | Open Filing | 23 Dec 2019 | 333-138200 | ||
| CORRESP | Open Document | Open Filing | 23 Dec 2019 | |||
| POS AM | Open Document | Open Filing | POS AM | 23 Dec 2019 | 333-138200 | |
| UPLOAD | Open Document | Open Filing | 10 Dec 2019 | |||
| 6-K | Open Document | Open Filing | 6-K | 21 Nov 2019 | 21 Nov 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 19 Nov 2019 | 19 Nov 2019 | 000-29256 |
| UPLOAD | Open Document | Open Filing | 05 Nov 2019 | |||
| 20-F/A | Open Document | Open Filing | 20-F/A | 04 Nov 2019 | 31 Dec 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Oct 2019 | 17 Oct 2019 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 04 Oct 2019 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 24 Sep 2019 | 24 Sep 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 09 Sep 2019 | 09 Sep 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Aug 2019 | 14 Aug 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Jul 2019 | 18 Jul 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 08 Jul 2019 | 08 Jul 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 May 2019 | 20 May 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Apr 2019 | 22 Apr 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Apr 2019 | 03 Apr 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 27 Mar 2019 | 27 Mar 2019 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | 20-F | 27 Mar 2019 | 31 Dec 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 07 Mar 2019 | 07 Mar 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Feb 2019 | 21 Feb 2019 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 08 Feb 2019 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 08 Jan 2019 | 08 Jan 2019 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Nov 2018 | 15 Nov 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Nov 2018 | 15 Nov 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Nov 2018 | 15 Nov 2018 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 05 Nov 2018 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 15 Aug 2018 | 15 Aug 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Aug 2018 | 03 Aug 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 26 Jun 2018 | 26 Jun 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 05 Jun 2018 | 05 Jun 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 24 May 2018 | 24 May 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Apr 2018 | 30 Apr 2018 | 000-29256 |
| 20-F | Open Document | Data | Open Filing | 20-F | 30 Apr 2018 | 31 Dec 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Mar 2018 | 14 Mar 2018 | 000-29256 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 13 Feb 2018 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 17 Jan 2018 | 17 Jan 2018 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 Dec 2017 | 13 Dec 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 Nov 2017 | 28 Nov 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 27 Nov 2017 | 27 Nov 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Nov 2017 | 22 Nov 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 19 Oct 2017 | 19 Oct 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Oct 2017 | 18 Oct 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 16 Oct 2017 | 16 Oct 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 11 Sep 2017 | 11 Sep 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 07 Sep 2017 | 07 Sep 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Aug 2017 | 30 Aug 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Aug 2017 | 22 Aug 2017 | 000-29256 |
| SC 13D/A | Open Document | Data | Open Filing | SC 13D/A | 03 Aug 2017 | 005-60211 | |
| 6-K | Open Document | Data | Open Filing | 6-K | 19 Jul 2017 | 19 Jul 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 11 Jul 2017 | 11 Jul 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 05 Jul 2017 | 05 Jul 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 29 Jun 2017 | 29 Jun 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Jun 2017 | 22 Jun 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Jun 2017 | 21 Jun 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 Jun 2017 | 12 Jun 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 07 Jun 2017 | 07 Jun 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 01 Jun 2017 | 01 Jun 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 May 2017 | 25 May 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 May 2017 | 18 May 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 10 May 2017 | 10 May 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 08 May 2017 | 08 May 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 27 Apr 2017 | 27 Apr 2017 | 000-29256 |
| 20-F | Open Document | Open Filing | 20-F | 27 Apr 2017 | 31 Dec 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Apr 2017 | 18 Apr 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 Mar 2017 | 28 Mar 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 Mar 2017 | 20 Mar 2017 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 07 Mar 2017 | 07 Mar 2017 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 23 Jan 2017 | 005-60211 | |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 18 Jan 2017 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 12 Jan 2017 | 12 Jan 2017 | 000-29256 |
| UPLOAD | Open Document | Open Filing | 10 Jan 2017 | |||
| 6-K | Open Document | Open Filing | 6-K | 03 Jan 2017 | 03 Jan 2017 | 000-29256 |
| CORRESP | Open Document | Open Filing | 21 Dec 2016 | |||
| UPLOAD | Open Document | Open Filing | 07 Dec 2016 | |||
| 6-K | Open Document | Open Filing | 6-K | 22 Nov 2016 | 22 Nov 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Nov 2016 | 22 Nov 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Nov 2016 | 15 Nov 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 11 Oct 2016 | 11 Oct 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 29 Sep 2016 | 29 Sep 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 26 Sep 2016 | 26 Sep 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Aug 2016 | 22 Aug 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Aug 2016 | 15 Aug 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 Jul 2016 | 20 Jul 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 10 Jun 2016 | 10 Jun 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 08 Jun 2016 | 08 Jun 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 01 Jun 2016 | 01 Jun 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 02 May 2016 | 02 May 2016 | 000-29256 |
| 20-F | Open Document | Open Filing | 20-F | 28 Apr 2016 | 31 Dec 2015 | 000-29256 |
| SC 13D/A | Open Document | Data | Open Filing | SC 13D/A | 12 Apr 2016 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 07 Apr 2016 | 07 Apr 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 06 Apr 2016 | 06 Apr 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 22 Mar 2016 | 22 Mar 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 17 Mar 2016 | 17 Mar 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Feb 2016 | 25 Feb 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 23 Feb 2016 | 23 Feb 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Feb 2016 | 18 Feb 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 02 Feb 2016 | 02 Feb 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 29 Jan 2016 | 28 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 27 Jan 2016 | 26 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Jan 2016 | 21 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 19 Jan 2016 | 19 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Jan 2016 | 15 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 Jan 2016 | 13 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 Jan 2016 | 13 Jan 2016 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 Dec 2015 | 28 Dec 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 15 Dec 2015 | 15 Dec 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 14 Dec 2015 | 14 Dec 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 10 Dec 2015 | 10 Dec 2015 | 000-29256 |
| SC 13G | Open Document | Open Filing | SC 13G | 07 Dec 2015 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 30 Nov 2015 | 30 Nov 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 Nov 2015 | 13 Nov 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 06 Nov 2015 | 06 Nov 2015 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 05 Nov 2015 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 28 Oct 2015 | 28 Oct 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Oct 2015 | 21 Oct 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 Oct 2015 | 20 Oct 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 10 Sep 2015 | 10 Sep 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Aug 2015 | 18 Aug 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Jul 2015 | 30 Jul 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 29 Jul 2015 | 29 Jul 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 16 Jul 2015 | 16 Jul 2015 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 02 Jul 2015 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 02 Jul 2015 | 02 Jul 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 01 Jul 2015 | 01 Jul 2015 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 18 Jun 2015 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 01 Jun 2015 | 01 Jun 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 29 May 2015 | 29 May 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 May 2015 | 28 May 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 May 2015 | 20 May 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 May 2015 | 13 May 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 May 2015 | 12 May 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 11 May 2015 | 11 May 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Apr 2015 | 30 Apr 2015 | 000-29256 |
| 20-F | Open Document | Open Filing | 20-F | 30 Apr 2015 | 31 Dec 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 28 Apr 2015 | 28 Apr 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 16 Apr 2015 | 16 Apr 2015 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 13 Apr 2015 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 26 Mar 2015 | 26 Mar 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Mar 2015 | 25 Mar 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Mar 2015 | 03 Mar 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 25 Feb 2015 | 25 Feb 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 Feb 2015 | 12 Feb 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Feb 2015 | 03 Feb 2015 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 30 Dec 2014 | 30 Dec 2014 | 000-29256 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 17 Dec 2014 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 10 Dec 2014 | 10 Dec 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Dec 2014 | 03 Dec 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 24 Nov 2014 | 24 Nov 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 Nov 2014 | 13 Nov 2014 | 000-29256 |
| S-8 | Open Document | Open Filing | S-8 | 14 Oct 2014 | 333-199295 | |
| 6-K | Open Document | Open Filing | 6-K | 21 Aug 2014 | 21 Aug 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 Aug 2014 | 12 Aug 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 21 Jul 2014 | 21 Jul 2014 | 000-29256 |
| SC 13D | Open Document | Open Filing | SC 13D | 13 Jun 2014 | 005-60211 | |
| 6-K | Open Document | Open Filing | 6-K | 28 May 2014 | 28 May 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 12 May 2014 | 12 May 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 07 May 2014 | 07 May 2014 | 000-29256 |
| 20-F | Open Document | Open Filing | 20-F | 30 Apr 2014 | 31 Dec 2013 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 02 Apr 2014 | 02 Apr 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 Mar 2014 | 20 Mar 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 18 Mar 2014 | 18 Mar 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 03 Mar 2014 | 03 Mar 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 20 Feb 2014 | 20 Feb 2014 | 000-29256 |
| 6-K | Open Document | Open Filing | 6-K | 13 Jan 2014 | 13 Jan 2014 | 000-29256 |