|
Mar 31, 2025
|
Oberweis Asset Management Inc
|
355,400
|
1.21%
|
|
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
355,400
|
1.21%
|
|
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
409,400
|
1.39%
|
|
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
177,700
|
0.60%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
409,400
|
1.41%
|
|
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
409,400
|
1.41%
|
|
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
360,000
|
1.24%
|
|
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
204,700
|
0.70%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
360,000
|
1.24%
|
|
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
360,000
|
1.24%
|
|
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
180,000
|
0.62%
|
|
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
180,000
|
0.62%
|
|
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
0
|
0.00%
|