| Month | Name | Total no. shares held | Percent Holding |
|---|---|---|---|
| Dec 31, 2024 | Oberweis Asset Management Inc | 1,032 | 0.00% |
| Sep 30, 2024 | Oberweis Asset Management Inc | 1,031 | 0.00% |
| Jun 30, 2024 | Oberweis Asset Management Inc | 1,071 | 0.00% |
| Mar 31, 2024 | Oberweis Asset Management Inc | 1,070 | 0.00% |
| Sep 30, 2023 | Oberweis Asset Management Inc | 1,224 | 0.00% |
| Jun 30, 2023 | Oberweis Asset Management Inc | 1,383 | 0.00% |
| Mar 31, 2023 | Oberweis Asset Management Inc | 1,382 | 0.00% |
| Dec 31, 2022 | Oberweis Asset Management Inc | 1,381 | 0.00% |