| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 17 Apr 2025 | 15 Apr 2025 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 18 Apr 2024 | 16 Apr 2024 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 01 Nov 2023 | 30 Oct 2023 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 20 Apr 2023 | 18 Apr 2023 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Apr 2022 | 12 Apr 2022 | 001-33653 |
| 4 | Open Document | Open Filing | FORM 4 | 15 Apr 2021 | 13 Apr 2021 | 001-33653 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Apr 2020 | 14 Apr 2020 | 001-33653 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Apr 2019 | 16 Apr 2019 | 001-33653 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Mar 2019 | 22 Mar 2019 | 001-36599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2019 | 22 Mar 2019 | 001-33653 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Mar 2019 | 22 Mar 2019 | 001-33653 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Mar 2019 | 31 Dec 2018 | 001-36599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2017 | 19 May 2017 | 001-36599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2017 | 07 Feb 2017 | 001-36599 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Feb 2017 | 24 Aug 2016 | 001-36599 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2016 | 24 Aug 2016 | 001-36599 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Sep 2014 | 18 Aug 2014 | 001-36599 |
| 4/A | Open Document | Open Filing | FORM 4/A | 09 Sep 2014 | 18 Aug 2014 | 001-35749 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2014 | 18 Aug 2014 | 001-36599 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Aug 2014 | 18 Aug 2014 | 001-36599 |
| 4 | Open Document | Open Filing | FORM 4 | 19 Aug 2014 | 18 Aug 2014 | 001-35749 |
| 4 | Open Document | Open Filing | FORM 4 | 10 Jul 2013 | 08 Jul 2013 | 001-35749 |
| 4 | Open Document | Open Filing | CONVERSION OF WARRANTS | 20 Aug 2012 | 16 Aug 2012 | 000-50034 |
| 4 | Open Document | Open Filing | WARRANT CONVERSION | 06 Jul 2012 | 05 Jul 2012 | 000-50034 |
| 4 | Open Document | Open Filing | 04 Jan 2012 | 31 Dec 2011 | 000-50034 |