| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 01 Jul 2025 | 26 Jun 2025 | 001-10324 | |
| SC 13D/A | Open Document | Open Filing | 11 Jan 2023 | |||
| 4 | Open Document | Open Filing | 26 Jan 2022 | 21 Jan 2022 | 001-10324 | |
| SC 13D/A | Open Document | Open Filing | 09 Jun 2021 | |||
| SC 13D/A | Open Document | Open Filing | 30 Apr 2021 | |||
| SC 13D/A | Open Document | Open Filing | 11 Mar 2021 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 10 Mar 2021 | 02 Mar 2021 | 000-04057 |
| SC 13D/A | Open Document | Open Filing | 09 Sep 2020 | |||
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 20 Sep 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Mar 2019 | 26 Dec 2018 | 001-10324 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 10 Sep 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Sep 2018 | 28 Aug 2018 | 001-35200 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jun 2018 | 27 Jun 2018 | 001-35200 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 22 Jun 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Jun 2018 | 20 Jun 2018 | 001-35200 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jun 2018 | 18 Jun 2018 | 001-35200 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Jun 2018 | 14 Jun 2018 | 001-35200 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 18 Jun 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Jun 2018 | 11 Jun 2018 | 001-35200 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 31 Aug 2017 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Aug 2017 | 28 Aug 2017 | 001-35200 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Nov 2016 | 01 Nov 2016 | 001-35200 |
| SC 13D/A | Open Document | Open Filing | SC 13D/A | 04 Mar 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Mar 2016 | 18 Dec 2015 | 001-35200 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Sep 2015 | 04 Sep 2015 | 001-35200 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jul 2015 | 06 Jul 2015 | 001-35200 |
| 4 | Open Document | Open Filing | 05 Jan 2015 | 05 Jan 2015 | 001-35200 | |
| 4 | Open Document | Open Filing | 18 Jul 2014 | 09 Jul 2014 | 001-35200 | |
| SC 13D/A | Open Document | Open Filing | AMENDED SCHEDULE 13D/A | 21 Jan 2014 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Jan 2014 | 07 Jan 2014 | 001-35200 |