| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| SCHEDULE 13D | Open Document | Open Filing | 29 Dec 2025 | 005-30512 | ||
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2025 | 12 Dec 2025 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 Dec 2025 | 11 Dec 2025 | |
| SCHEDULE 13D | Open Document | Open Filing | 12 Dec 2025 | 005-30512 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2025 | 30 Sep 2025 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Aug 2025 | 30 Jun 2025 | 000-01227 |
| SCHEDULE 13G/A | Open Document | Open Filing | 03 Jul 2025 | 005-30512 | ||
| 8-K/A | Open Document | Data | Open Filing | 8-K/A | 10 Jun 2025 | 27 May 2025 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 02 Jun 2025 | 27 May 2025 | 000-01227 |
| SD | Open Document | Open Filing | SD | 22 May 2025 | 000-01227 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 15 May 2025 | 13 May 2025 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 May 2025 | 31 Mar 2025 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 01 May 2025 | 01 May 2025 | 000-01227 |
| ARS | Open Document | Open Filing | ARS | 04 Apr 2025 | 31 Dec 2024 | 000-01227 |
| DEF 14A | Open Document | Data | Open Filing | DEF 14A | 04 Apr 2025 | 13 May 2025 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 28 Mar 2025 | 31 Dec 2024 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 20 Dec 2024 | 17 Dec 2024 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 12 Nov 2024 | 30 Sep 2024 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | AMENDMENT NO. 1 TO SCHEDULE 13G | 02 Oct 2024 | 005-30512 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Aug 2024 | 21 Aug 2024 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 14 Aug 2024 | 30 Jun 2024 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 01 Jul 2024 | 01 Jul 2024 | 000-01227 |
| SD | Open Document | Open Filing | SD | 20 May 2024 | 000-01227 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 15 May 2024 | 14 May 2024 | 000-01227 |
| SC 13G | Open Document | Open Filing | SCHEDULE 13G | 13 May 2024 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 10 May 2024 | 31 Mar 2024 | 000-01227 |
| ARS | Open Document | Open Filing | ARS | 02 Apr 2024 | 31 Dec 2023 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 02 Apr 2024 | 14 May 2024 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 28 Mar 2024 | 31 Dec 2023 | 000-01227 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 12 Mar 2024 | 01 Mar 2024 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 07 Mar 2024 | 01 Mar 2024 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 09 Feb 2024 | 005-30512 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2023 | 13 Nov 2023 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 21 Nov 2023 | 13 Nov 2023 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 17 Nov 2023 | 13 Nov 2023 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2023 | 30 Sep 2023 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 08 Sep 2023 | 01 Sep 2023 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2023 | 30 Jun 2023 | 000-01227 |
| SD | Open Document | Open Filing | SD | 26 May 2023 | 000-01227 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2023 | 09 May 2023 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 16 May 2023 | 09 May 2023 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 15 May 2023 | 09 May 2023 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 09 May 2023 | 09 May 2023 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2023 | 31 Mar 2023 | 000-01227 |
| ARS | Open Document | Open Filing | ARS | 30 Mar 2023 | 31 Dec 2022 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 30 Mar 2023 | 09 May 2023 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 29 Mar 2023 | 31 Dec 2022 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | 13 Feb 2023 | 005-30512 | ||
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 10 Feb 2023 | 005-30512 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 28 Dec 2022 | 22 Dec 2022 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 14 Dec 2022 | 10 Dec 2022 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Nov 2022 | 30 Sep 2022 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 30 Sep 2022 | 27 Sep 2022 | 000-01227 |
| 8-K | Open Document | Data | Open Filing | 8-K | 17 Aug 2022 | 12 Aug 2022 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 Aug 2022 | 30 Jun 2022 | 000-01227 |
| SD | Open Document | Open Filing | SD | 26 May 2022 | 000-01227 | |
| 8-K | Open Document | Data | Open Filing | 8-K | 11 May 2022 | 10 May 2022 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 May 2022 | 31 Mar 2022 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 23 Mar 2022 | 10 May 2022 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 21 Mar 2022 | 31 Dec 2021 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | 11 Feb 2022 | 005-30512 | ||
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 08 Feb 2022 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 Nov 2021 | 30 Sep 2021 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 11 Aug 2021 | 30 Jun 2021 | 000-01227 |
| SD | Open Document | Open Filing | SD | 28 May 2021 | 000-01227 | |
| 8-K | Open Document | Open Filing | 8-K | 12 May 2021 | 11 May 2021 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 May 2021 | 31 Mar 2021 | 000-01227 |
| 8-K | Open Document | Open Filing | 8-K | 22 Mar 2021 | 22 Mar 2021 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 22 Mar 2021 | 11 May 2021 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 19 Mar 2021 | 31 Dec 2020 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | SEC SCHEDULE 13G | 12 Feb 2021 | 005-30512 | |
| SC 13G/A | Open Document | Open Filing | 11 Feb 2021 | 005-30512 | ||
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2020 | 30 Sep 2020 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2020 | 30 Jun 2020 | 000-01227 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 28 May 2020 | 12 May 2020 | |
| SD | Open Document | Open Filing | SD | 28 May 2020 | 000-01227 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2020 | 12 May 2020 | |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 20 May 2020 | 12 May 2020 | |
| 8-K | Open Document | Open Filing | 8-K | 14 May 2020 | 12 May 2020 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 May 2020 | 31 Mar 2020 | 000-01227 |
| 8-K | Open Document | Open Filing | 8-K | 21 Apr 2020 | 20 Apr 2020 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 23 Mar 2020 | 12 May 2020 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 20 Mar 2020 | 31 Dec 2019 | 000-01227 |
| 8-K | Open Document | Open Filing | 8-K | 20 Feb 2020 | 17 Feb 2020 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | 13 Feb 2020 | 005-30512 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 12 Feb 2020 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 08 Nov 2019 | 30 Sep 2019 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 08 Aug 2019 | 30 Jun 2019 | 000-01227 |
| SC 13D/A | Open Document | Open Filing | 21 Jun 2019 | 005-30512 | ||
| SD | Open Document | Open Filing | SPECIALIZED DISCLOSURE REPORT | 03 Jun 2019 | 000-01227 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 17 May 2019 | 14 May 2019 | 000-01227 |
| 3 | Open Document | Open Filing | PRIMARY DOCUMENT | 14 May 2019 | 14 May 2019 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 08 May 2019 | 31 Mar 2019 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 22 Mar 2019 | 14 May 2019 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 20 Mar 2019 | 31 Dec 2018 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | 13 Feb 2019 | 005-30512 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 08 Feb 2019 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | FORM 10-Q | 06 Nov 2018 | 30 Sep 2018 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 Aug 2018 | 30 Jun 2018 | 000-01227 |
| SD | Open Document | Open Filing | FORM SD | 18 May 2018 | 000-01227 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 10 May 2018 | 08 May 2018 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 May 2018 | 31 Mar 2018 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 23 Mar 2018 | 08 May 2018 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 20 Mar 2018 | 31 Dec 2017 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | 14 Feb 2018 | 005-30512 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 09 Feb 2018 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2017 | 30 Sep 2017 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Aug 2017 | 30 Jun 2017 | 000-01227 |
| SD | Open Document | Open Filing | FORM SD | 31 May 2017 | 000-01227 | |
| 8-K | Open Document | Open Filing | FORM 8-K | 15 May 2017 | 09 May 2017 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 May 2017 | 31 Mar 2017 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 24 Mar 2017 | 09 May 2017 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 20 Mar 2017 | 31 Dec 2016 | 000-01227 |
| SC 13D | Open Document | Open Filing | SCHEDULE 13D | 06 Mar 2017 | 005-30512 | |
| SC 13G/A | Open Document | Open Filing | 13G/A | 14 Feb 2017 | 005-30512 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 09 Feb 2017 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 04 Nov 2016 | 30 Sep 2016 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 Aug 2016 | 30 Jun 2016 | 000-01227 |
| SD | Open Document | Open Filing | 31 May 2016 | 000-01227 | ||
| 8-K | Open Document | Open Filing | 8-K | 18 May 2016 | 10 May 2016 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 05 May 2016 | 31 Mar 2016 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 24 Mar 2016 | 10 May 2016 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | 10-K | 21 Mar 2016 | 31 Dec 2015 | 000-01227 |
| 8-K | Open Document | Open Filing | 8-K | 17 Feb 2016 | 15 Feb 2016 | 000-01227 |
| 8-K | Open Document | Open Filing | FORM 8-K | 17 Feb 2016 | 15 Feb 2016 | 000-01227 |
| SC 13G | Open Document | Open Filing | CHICAGO RIVET & MACHINE CO. | 12 Feb 2016 | 005-30512 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 09 Feb 2016 | 005-30512 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 Nov 2015 | 30 Sep 2015 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Aug 2015 | 30 Jun 2015 | 000-01227 |
| SD | Open Document | Open Filing | 01 Jun 2015 | 000-01227 | ||
| 8-K | Open Document | Open Filing | 8-K | 19 May 2015 | 12 May 2015 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 06 May 2015 | 31 Mar 2015 | 000-01227 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 30 Mar 2015 | 31 Dec 2014 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 27 Mar 2015 | 12 May 2015 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 20 Mar 2015 | 31 Dec 2014 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | 17 Feb 2015 | 005-30512 | ||
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 05 Feb 2015 | 005-30512 | |
| 4 | Open Document | Open Filing | PRIMARY DOCUMENT | 04 Dec 2014 | 18 Mar 2013 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 07 Nov 2014 | 30 Sep 2014 | 000-01227 |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 08 Aug 2014 | 30 Jun 2014 | 000-01227 |
| 8-K | Open Document | Open Filing | 10 Jun 2014 | 05 Jun 2014 | 000-01227 | |
| SD | Open Document | Open Filing | 30 May 2014 | 000-01227 | ||
| 8-K | Open Document | Open Filing | 20 May 2014 | 13 May 2014 | 000-01227 | |
| 10-Q | Open Document | Data | Open Filing | 10-Q | 09 May 2014 | 31 Mar 2014 | 000-01227 |
| ARS | Open Document | Open Filing | AUTO-GENERATED PAPER DOCUMENT | 28 Mar 2014 | 31 Dec 2013 | 000-01227 |
| DEF 14A | Open Document | Open Filing | DEF 14A | 28 Mar 2014 | 13 May 2014 | 000-01227 |
| 10-K | Open Document | Data | Open Filing | FORM 10-K | 21 Mar 2014 | 31 Dec 2013 | 000-01227 |
| SC 13G/A | Open Document | Open Filing | ARI13GCVR | 13 Feb 2014 | 005-30512 | |
| SC 13G/A | Open Document | Open Filing | SCHEDULE 13G/A | 10 Feb 2014 | 005-30512 |