| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | 02 Apr 2024 | 29 Mar 2024 | 001-15697 | |
| 4/A | Open Document | Open Filing | 02 Apr 2024 | 29 Dec 2023 | 001-15697 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Dec 2023 | 29 Dec 2023 | 001-15697 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 TO FORM SCHEDULE 13D | 01 Sep 2020 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 26 Aug 2020 | 24 Aug 2020 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2017 | 28 Apr 2017 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 23 Feb 2017 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 19 Aug 2016 | 17 Aug 2016 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 Feb 2016 | 16 Feb 2016 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2016 | 30 Oct 2015 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jun 2015 | 02 Jun 2015 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2015 | 23 Apr 2015 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Apr 2015 | 03 Apr 2015 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 Mar 2015 | 05 Mar 2015 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Oct 2014 | 17 Oct 2014 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Sep 2014 | 25 Sep 2014 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2014 | 25 Feb 2013 | 001-15697 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2014 | 07 Feb 2014 | 001-15697 |