| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13D/A | Report | SCHEDULE 13D/A | Aug 17, 2023 | |
| SC 13D/A | Report | SCHEDULE 13D/A | Feb 3, 2023 | |
| SC 13D | Report | SCHEDULE 13D | Jan 26, 2023 | |
| SC 13G/A | Report | Feb 14, 2018 | ||
| SC 13G | Report | 13G | Feb 13, 2017 | |
| SC 13G | Report | MORGAN DEMPSEY CAPITAL MANAGEMENT 13G 2015 FILING | Feb 9, 2016 | |
| SC 13G | Report | MORGAN DEMPSEY 13G FILING FOR UTMD OWNERSHIP | Feb 11, 2015 | |
| SC 13G | Report | MORGAN DEMPSEY 13G FILING FOR SPAN OWNERSHIP | Feb 11, 2015 | |
| SC 13G | Report | MORGAN DEMPSEY 13G FILING FOR MCS OWNERSHIP | Feb 11, 2015 | |
| SC 13G | Report | MORGAN DEMPSEY CAPITAL MANAGEMENT 13G 2013 FILING | Feb 18, 2014 |