| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Jun 2025 | 24 Jun 2025 | 001-41051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 02 Jul 2024 | 01 Jul 2024 | 001-41051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 25 Apr 2024 | 22 Apr 2024 | 001-41051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2023 | 23 Feb 2023 | 001-41051 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2021 | 13 May 2021 | 000-55108 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 06 May 2021 | 05 May 2021 | 000-55108 |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 03 May 2021 | 23 Apr 2021 | 000-55108 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 02 Jan 2018 | 29 Dec 2017 | 000-55108 |
| 4 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 29 Sep 2017 | 29 Sep 2016 | 000-55108 |
| SC 13D/A | Open Document | Open Filing | 29 Sep 2017 | |||
| SC 13D/A | Open Document | Open Filing | 24 May 2017 | |||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 27 Feb 2017 | 13 Feb 2017 | 000-55108 |
| SC 13D/A | Open Document | Open Filing | SMSA BALLINGER | 16 Feb 2016 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 11 Feb 2016 | 10 Feb 2016 | 000-55108 |
| 3 | Open Document | Open Filing | OWNERSHIP DOCUMENT | 07 Dec 2015 | 01 Dec 2015 | 000-55108 |
| SC 13D | Open Document | Open Filing | SMSA BALLINGER | 07 Dec 2015 |