|
Mar 31, 2025
|
Oberweis Asset Management Inc
|
1,226,600
|
2.72%
|
|
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
1,226,600
|
2.72%
|
|
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
880,200
|
1.95%
|
|
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
613,300
|
1.36%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
880,200
|
1.95%
|
|
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
880,200
|
1.95%
|
|
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
639,200
|
1.42%
|
|
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
440,100
|
0.98%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
639,200
|
1.42%
|
|
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
639,200
|
1.42%
|
|
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
639,200
|
1.42%
|
|
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
319,600
|
0.71%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
639,200
|
1.42%
|
|
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
639,200
|
1.42%
|
|
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
494,200
|
1.11%
|
|
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
319,600
|
0.71%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
494,200
|
1.11%
|
|
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
494,200
|
1.11%
|
|
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
436,200
|
0.97%
|
|
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
436,200
|
0.97%
|
|
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
389,000
|
0.87%
|
|
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
389,000
|
0.87%
|
|
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
218,100
|
0.49%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
341,800
|
0.76%
|
|
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
265,400
|
0.59%
|
|
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
265,400
|
0.59%
|
|
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
170,900
|
0.38%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
265,400
|
0.59%
|
|
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
135,800
|
0.30%
|
|
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
132,700
|
0.30%
|
|
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
67,900
|
0.15%
|