| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 28, 2023 | Apr 26, 2023 | 001-07109 |
| SC 13D/A | Open Document | Open Filing | Dec 12, 2022 | |||
| SC 13D | Open Document | Open Filing | SCHEDULE 13D - K. TRBOVICH | Aug 3, 2022 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2021 | Jan 1, 2021 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2020 | Jan 1, 2020 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2019 | Jan 1, 2019 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | May 30, 2018 | May 25, 2018 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Feb 13, 2018 | Nov 30, 2017 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 3, 2018 | Jan 1, 2018 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 4, 2017 | Jan 1, 2017 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Apr 13, 2016 | Apr 11, 2016 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2016 | Jan 1, 2016 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 5, 2015 | Jan 1, 2015 | 001-07109 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | Jan 6, 2014 | Jan 1, 2014 | 001-07109 |