Mar 31, 2025
|
Oberweis Asset Management Inc
|
1,089,600
|
2.85%
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
1,089,600
|
2.85%
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
741,400
|
1.95%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
545,450
|
1.43%
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
741,400
|
1.95%
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
741,400
|
1.95%
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
741,400
|
1.95%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
370,700
|
0.98%
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
741,400
|
1.96%
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
741,400
|
1.96%
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
370,700
|
0.98%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
370,700
|
0.98%
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
416,845
|
1.05%
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
416,845
|
1.04%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
833,690
|
2.09%
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
722,600
|
1.81%
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
722,600
|
1.81%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
416,845
|
1.04%
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
722,600
|
1.81%
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
433,800
|
1.09%
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
361,300
|
0.90%
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
216,900
|
0.54%
|