| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 Apr 2023 | 26 Apr 2023 | 001-07109 |
| SC 13D/A | Open Document | Open Filing | 12 Dec 2022 | |||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D - K. TRBOVICH | 03 Aug 2022 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2021 | 01 Jan 2021 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2020 | 01 Jan 2020 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2019 | 01 Jan 2019 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 30 May 2018 | 25 May 2018 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Feb 2018 | 30 Nov 2017 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 Jan 2018 | 01 Jan 2018 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Jan 2017 | 01 Jan 2017 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 13 Apr 2016 | 11 Apr 2016 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2016 | 01 Jan 2016 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 05 Jan 2015 | 01 Jan 2015 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 Jan 2014 | 01 Jan 2014 | 001-07109 |