|
Mar 31, 2025
|
Oberweis Asset Management Inc
|
651,600
|
0.84%
|
|
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
651,600
|
0.84%
|
|
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
637,400
|
0.83%
|
|
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
337,480
|
0.44%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
637,400
|
0.82%
|
|
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
637,400
|
0.82%
|
|
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
591,800
|
0.76%
|
|
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
330,780
|
0.43%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
591,800
|
0.76%
|
|
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
591,800
|
0.76%
|
|
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
532,600
|
0.69%
|
|
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
305,780
|
0.39%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
473,400
|
0.61%
|
|
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
473,400
|
0.61%
|
|
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
318,400
|
0.41%
|
|
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
236,700
|
0.31%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
318,400
|
0.41%
|
|
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
318,400
|
0.41%
|
|
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
376,200
|
0.48%
|
|
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
376,200
|
0.48%
|
|
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
331,100
|
0.43%
|
|
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
331,100
|
0.43%
|
|
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
188,100
|
0.24%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
286,000
|
0.37%
|
|
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
244,500
|
0.31%
|
|
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
203,000
|
0.26%
|
|
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
143,000
|
0.18%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
203,000
|
0.26%
|
|
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
101,500
|
0.13%
|