| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Jun 2023 | 27 Jun 2023 | 000-49729 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 3 | 29 Jan 2020 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 2 | 24 Sep 2019 | ||
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2019 | 20 Sep 2019 | 000-51254 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 23 Sep 2019 | 20 Sep 2019 | 000-51254 |
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 | 30 Jan 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Sep 2018 | 12 Sep 2018 | 000-51254 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Apr 2017 | 25 Apr 2017 | 000-51254 |
| SC 13D | Open Document | Open Filing | 27 Apr 2017 | |||
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO.1 | 22 Jul 2015 | ||
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 09 Jan 2015 |