| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13G/A | Open Document | Open Filing | 13 Feb 2025 | |||
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 6 TO SCHEDULE 13G | 06 Feb 2024 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 4 TO SCHEDULE 13D | 15 Feb 2023 | ||
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 5 TO SCHEDULE 13G | 15 Feb 2023 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO.3 TO SCHEDULE 13D | 14 Jul 2021 | ||
| SC 13D/A | Open Document | Open Filing | SCHEDULE 13D | 07 May 2021 | ||
| 4 | Open Document | Open Filing | 07 May 2021 | 29 Apr 2021 | 000-06658 | |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 4 TO SCHEDULE 13G | 05 Feb 2021 | ||
| SC 13D/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13D | 24 Jun 2020 | ||
| 3 | Open Document | Open Filing | 24 Jun 2020 | 18 Jun 2020 | 000-06658 | |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 3 SCHEDULE 13G | 31 Jan 2020 | ||
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 31 Jan 2019 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Aug 2018 | 09 Aug 2018 | 000-14656 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2018 | 06 Aug 2018 | 000-14656 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 Jul 2018 | 26 Jul 2018 | 000-14656 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Jul 2018 | 12 Jul 2018 | 000-14656 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Jun 2018 | 13 Jun 2018 | 000-14656 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 18 May 2018 | 16 May 2018 | 000-14656 |
| 4/A | Open Document | Open Filing | PRIMARY DOCUMENT | 10 May 2018 | 08 May 2018 | 000-14656 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 09 May 2018 | 08 May 2018 | 000-14656 |
| SC 13G/A | Open Document | Open Filing | SC 13G/A | 12 Feb 2018 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Dec 2017 | 27 Dec 2017 | 000-14656 |
| SC 13G | Open Document | Open Filing | SC 13G | 21 Aug 2017 | ||
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 08 Aug 2017 | 01 Aug 2017 | 000-14656 |
| SC 13D | Open Document | Open Filing | SC 13D | 26 Jul 2017 |