|
Mar 31, 2025
|
Oberweis Asset Management Inc
|
459,400
|
0.75%
|
|
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
459,400
|
0.75%
|
|
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
379,200
|
0.62%
|
|
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
229,830
|
0.38%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
379,200
|
0.62%
|
|
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
379,200
|
0.62%
|
|
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
310,400
|
0.51%
|
|
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
189,730
|
0.31%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
310,400
|
0.51%
|
|
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
310,400
|
0.51%
|
|
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
282,900
|
0.46%
|
|
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
155,330
|
0.25%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
255,400
|
0.42%
|
|
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
255,400
|
0.42%
|
|
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
197,400
|
0.32%
|
|
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
127,830
|
0.21%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
197,400
|
0.32%
|
|
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
197,400
|
0.32%
|
|
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
182,800
|
0.30%
|
|
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
182,800
|
0.30%
|
|
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
165,300
|
0.27%
|
|
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
165,300
|
0.27%
|
|
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
91,400
|
0.15%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
147,800
|
0.24%
|
|
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
132,200
|
0.22%
|
|
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
116,600
|
0.19%
|
|
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
73,900
|
0.12%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
116,600
|
0.19%
|
|
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
114,200
|
0.19%
|
|
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
58,300
|
0.10%
|
|
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
57,100
|
0.09%
|