|
Mar 31, 2025
|
Oberweis Asset Management Inc
|
6,540,600
|
2.75%
|
|
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
6,540,600
|
2.76%
|
|
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
5,669,000
|
2.40%
|
|
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
3,342,560
|
1.41%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
5,669,000
|
2.40%
|
|
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
5,669,000
|
2.40%
|
|
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
4,081,400
|
1.73%
|
|
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
2,907,080
|
1.23%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
4,081,400
|
1.75%
|
|
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
4,081,400
|
1.75%
|
|
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
4,831,400
|
2.07%
|
|
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
2,040,700
|
0.86%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
5,581,400
|
2.41%
|
|
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
5,581,400
|
2.41%
|
|
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
5,421,400
|
2.34%
|
|
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
2,790,700
|
1.20%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
5,421,400
|
2.38%
|
|
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
5,421,400
|
2.38%
|
|
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
4,156,800
|
1.84%
|
|
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
4,156,800
|
1.84%
|
|
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
3,747,100
|
1.66%
|
|
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
3,747,100
|
1.67%
|
|
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
2,078,400
|
0.91%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
3,337,400
|
1.48%
|
|
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
2,339,000
|
1.04%
|
|
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
2,339,000
|
1.05%
|
|
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
1,668,700
|
0.74%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
2,339,000
|
1.05%
|
|
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
1,073,800
|
0.48%
|
|
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
1,169,500
|
0.53%
|
|
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
536,900
|
0.24%
|