| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 28 Jun 2021 | 25 Jun 2021 | 001-35814 | |
| 4 | Open Document | Open Filing | 08 Jun 2020 | 04 Jun 2020 | 001-35814 | |
| 4 | Open Document | Open Filing | 13 Nov 2019 | 11 Nov 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 08 Oct 2019 | 07 Oct 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 11 Sep 2019 | 09 Sep 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 14 Aug 2019 | 12 Aug 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 16 Jul 2019 | 15 Jul 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 28 Jun 2019 | 26 Jun 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 05 Jun 2019 | 03 Jun 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 03 May 2019 | 01 May 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 02 Apr 2019 | 01 Apr 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 04 Mar 2019 | 01 Mar 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 01 Feb 2019 | 01 Feb 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 03 Jan 2019 | 02 Jan 2019 | 001-35814 | |
| 4 | Open Document | Open Filing | 06 Dec 2018 | 03 Dec 2018 | 001-35814 | |
| 4 | Open Document | Open Filing | 02 Nov 2018 | 01 Nov 2018 | 001-35814 | |
| 4 | Open Document | Open Filing | 18 Oct 2018 | 15 Oct 2018 | 001-35814 | |
| 4 | Open Document | Open Filing | 05 Sep 2018 | 04 Sep 2018 | 001-35814 | |
| 4 | Open Document | Open Filing | 15 Aug 2018 | 10 Aug 2018 | 001-35814 | |
| 4 | Open Document | Open Filing | 02 Jul 2018 | 29 Jun 2018 | 001-35814 | |
| 4 | Open Document | Open Filing | 19 Jul 2017 | 17 Jul 2017 | 001-35814 | |
| 4 | Open Document | Open Filing | 15 Jun 2017 | 13 Jun 2017 | 001-35814 | |
| 4 | Open Document | Open Filing | 14 Mar 2017 | 09 Mar 2017 | 001-35814 | |
| 4 | Open Document | Open Filing | 03 Nov 2016 | 02 Nov 2016 | 001-35814 | |
| SC 13D/A | Open Document | Open Filing | 30 Aug 2016 | |||
| 4 | Open Document | Open Filing | 14 Jun 2016 | 10 Jun 2016 | 001-35814 | |
| SC 13D/A | Open Document | Open Filing | 28 Dec 2015 | |||
| 4 | Open Document | Open Filing | 15 May 2015 | 13 May 2015 | 001-35814 | |
| 4 | Open Document | Open Filing | 27 Apr 2015 | 23 Apr 2015 | 001-35814 | |
| 4 | Open Document | Open Filing | FORM 4 | 02 Oct 2014 | 30 Sep 2014 | 001-35814 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 08 Sep 2014 | 04 Sep 2014 | 001-35814 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 22 Apr 2014 | 31 Dec 2013 | 001-35814 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 16 Aug 2013 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2013 | 27 Jun 2013 | 001-35814 |
| 5 | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Mar 2013 | 31 Dec 2012 | 001-35814 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 10 Aug 2012 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 Jul 2012 | 29 Jun 2012 | 000-52998 |
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D/A | 02 May 2012 | ||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 30 Apr 2012 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Apr 2012 | 12 Dec 2011 | 000-52998 |