Mar 31, 2025
|
Oberweis Asset Management Inc
|
192,200
|
0.79%
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
192,200
|
0.79%
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
185,000
|
0.75%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
96,100
|
0.39%
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
185,000
|
0.75%
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
185,000
|
0.75%
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
185,000
|
0.75%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
92,500
|
0.37%
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
185,000
|
0.74%
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
185,000
|
0.74%
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
178,600
|
0.72%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
92,500
|
0.37%
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
172,200
|
0.68%
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
172,200
|
0.68%
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
165,000
|
0.65%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
86,100
|
0.35%
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
165,000
|
0.65%
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
165,000
|
0.65%
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
224,400
|
0.87%
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
224,400
|
0.87%
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
207,300
|
0.81%
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
207,300
|
0.81%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
112,200
|
0.44%
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
190,200
|
0.73%
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
115,800
|
0.44%
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
115,800
|
0.44%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
95,100
|
0.36%
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
115,800
|
0.43%
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
77,000
|
0.29%
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
57,900
|
0.22%
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
38,500
|
0.14%
|