| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SC 13D/A | Open Document | Open Filing | FORM 13D/A | 22 Dec 2021 | ||
| 4 | Open Document | Open Filing | FORM 4 - | 21 Dec 2021 | 17 Dec 2021 | 000-31380 |
| SC 13G/A | Open Document | Open Filing | FORM SC 13G/A | 16 Oct 2020 | ||
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13G | 26 Mar 2019 | ||
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 14 Feb 2019 | ||
| 4/A | Open Document | Open Filing | FORM 4/A - | 18 Dec 2017 | 14 Dec 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 - | 18 Dec 2017 | 14 Dec 2017 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 - | 25 May 2017 | 23 May 2017 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Aug 2016 | 01 Aug 2016 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Jun 2016 | 24 Jun 2016 | 000-31380 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 05 May 2016 | 02 May 2016 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 May 2016 | 01 May 2016 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 29 Jan 2016 | 27 Jan 2016 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Jan 2016 | 06 Jan 2016 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 07 Oct 2015 | 06 Oct 2015 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 01 Jul 2015 | 30 Jun 2015 | 000-31380 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 15 Jun 2015 | 26 May 2015 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2015 | 26 May 2015 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 17 Feb 2015 | 12 Feb 2015 | 000-31380 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 06 Nov 2014 | 04 Nov 2014 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jul 2014 | 30 Jun 2014 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Apr 2014 | 31 Mar 2014 | 000-31380 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Oct 2012 | 28 Sep 2012 | 000-31380 |
| 4 | Open Document | Open Filing | FORM 4 - | 10 Jan 2012 | 06 Jan 2012 | 000-31380 |