| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2025 | 14 May 2025 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 27 Feb 2025 | 26 Feb 2025 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 15 May 2024 | 15 May 2024 | 001-14775 |
| 144 | Open Document | Open Filing | 23 May 2023 | |||
| 4 | Open Document | Open Filing | FORM 4 | 10 May 2023 | 10 May 2023 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 07 Jun 2022 | 03 Jun 2022 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 12 May 2022 | 11 May 2022 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 24 Aug 2021 | 20 Aug 2021 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 14 May 2021 | 12 May 2021 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Oct 2020 | 19 Oct 2020 | 001-14775 |
| 3 | Open Document | Open Filing | FORM 3 | 21 Oct 2020 | 19 Oct 2020 | 001-14775 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Jul 2020 | 06 Jul 2020 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2019 | 30 Jul 2019 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2019 | 01 Jul 2019 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 | 26 Jun 2019 | 24 Jun 2019 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 17 May 2019 | 15 May 2019 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2019 | 01 Apr 2019 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2019 | 14 Feb 2019 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 04 Jan 2019 | 02 Jan 2019 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 13 Aug 2018 | 09 Aug 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Aug 2018 | 30 Jul 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jul 2018 | 29 Jun 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2018 | 29 May 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 May 2018 | 30 Apr 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Apr 2018 | 29 Mar 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2018 | 28 Feb 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Feb 2018 | 19 Feb 2018 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jan 2018 | 29 Jan 2018 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 03 Jan 2018 | 01 Jan 2018 | 001-35143 |
| 3 | Open Document | Open Filing | FORM 3 | 03 Jan 2018 | 01 Jan 2018 | 001-35143 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Jan 2018 | 29 Dec 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Nov 2017 | 29 Nov 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Nov 2017 | 30 Oct 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2017 | 29 Sep 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Aug 2017 | 29 Aug 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Jul 2017 | 31 Jul 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jun 2017 | 29 Jun 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 May 2017 | 30 May 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 May 2017 | 01 May 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Mar 2017 | 29 Mar 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Mar 2017 | 28 Feb 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Feb 2017 | 30 Jan 2017 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Dec 2016 | 29 Dec 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Dec 2016 | 29 Nov 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Oct 2016 | 31 Oct 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 Oct 2016 | 29 Sep 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Aug 2016 | 29 Aug 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Aug 2016 | 29 Jul 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 30 Jun 2016 | 29 Jun 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Jun 2016 | 31 May 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 03 May 2016 | 29 Apr 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Mar 2016 | 29 Mar 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Mar 2016 | 29 Feb 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Feb 2016 | 17 Feb 2016 | 001-33303 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Feb 2016 | 29 Jan 2016 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 21 Jan 2016 | 19 Jan 2016 | 001-33303 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 31 Dec 2015 | 29 Dec 2015 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 01 Dec 2015 | 29 Nov 2015 | 001-35073 |
| 4/A | Open Document | Open Filing | FORM 4/A SUBMISSION | 12 Nov 2015 | 05 Oct 2015 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 02 Nov 2015 | 29 Oct 2015 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 07 Oct 2015 | 05 Oct 2015 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 23 Jan 2015 | 21 Jan 2015 | 001-33303 |
| 4 | Open Document | Open Filing | FORM 4 | 21 Jul 2014 | 01 Jul 2014 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 14 Mar 2014 | 12 Mar 2014 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 16 Jan 2014 | 14 Jan 2014 | 001-33303 |
| 4 | Open Document | Open Filing | PURCHASE OF COMMON STOCK AND WARRANTS | 18 Dec 2013 | 16 Dec 2013 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 19 Nov 2013 | 18 Nov 2013 | 001-09309 |
| 4 | Open Document | Open Filing | FORM 4 | 25 Mar 2013 | 21 Mar 2013 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 22 Feb 2013 | 21 Feb 2013 | 001-33303 |
| 4 | Open Document | Open Filing | FORM 4 | 08 Feb 2013 | 07 Feb 2013 | 001-33303 |
| 3 | Open Document | Open Filing | FORM 3 | 08 Feb 2013 | 06 Feb 2013 | 001-33303 |
| 4 | Open Document | Open Filing | FORM 4 SUBMISSION | 14 Nov 2012 | 13 Nov 2012 | 001-09309 |
| 3 | Open Document | Open Filing | FORM 3 | 16 Mar 2012 | 14 Mar 2012 | 001-35073 |
| 4 | Open Document | Open Filing | FORM 4 | 16 Mar 2012 | 14 Mar 2012 | 001-35073 |