| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Dec 31, 2024 | Oberweis Asset Management Inc | 2,117 | 0.00% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 2,113 | 0.00% |
| Jun 30, 2024 | Oberweis Asset Management Inc | 2,171 | 0.00% |
| Mar 31, 2024 | Oberweis Asset Management Inc | 2,167 | 0.00% |
| Sep 30, 2023 | Oberweis Asset Management Inc | 2,533 | 0.00% |
| Jun 30, 2023 | Oberweis Asset Management Inc | 2,711 | 0.00% |
| Mar 31, 2023 | Oberweis Asset Management Inc | 2,708 | 0.00% |
| Dec 31, 2022 | Oberweis Asset Management Inc | 2,705 | 0.00% |