Mar 31, 2025
|
Oberweis Asset Management Inc
|
350,400
|
2.16%
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
350,400
|
2.17%
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
350,400
|
2.13%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
175,200
|
1.08%
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
350,400
|
2.11%
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
350,400
|
2.11%
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
224,400
|
1.35%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
175,200
|
1.06%
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
224,400
|
1.35%
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
224,400
|
1.35%
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
224,400
|
1.35%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
112,200
|
0.68%
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
224,400
|
1.35%
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
224,400
|
1.35%
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
207,800
|
1.25%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
112,200
|
0.67%
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
207,800
|
1.26%
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
207,800
|
1.26%
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
202,000
|
1.22%
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
202,000
|
1.22%
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
101,000
|
0.61%
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
101,000
|
0.61%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
101,000
|
0.61%
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
56,500
|
0.34%
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
113,000
|
0.67%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
113,000
|
0.67%
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
83,600
|
0.49%
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
56,500
|
0.33%
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
41,800
|
0.25%
|