Mar 31, 2025
|
Oberweis Asset Management Inc
|
4,200
|
0.00%
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
4,200
|
0.00%
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
4,700
|
0.00%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
8,200
|
0.00%
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
4,700
|
0.00%
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
4,700
|
0.00%
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
6,600
|
0.00%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
9,200
|
0.00%
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
6,600
|
0.00%
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
6,600
|
0.00%
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
6,600
|
0.00%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
12,800
|
0.00%
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
6,900
|
0.00%
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
6,900
|
0.00%
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
7,000
|
0.00%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
13,100
|
0.00%
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
7,000
|
0.00%
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
7,000
|
0.00%
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
9,600
|
0.00%
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
9,600
|
0.00%
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
9,600
|
0.00%
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
9,600
|
0.00%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
17,200
|
0.01%
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
9,800
|
0.00%
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
9,800
|
0.00%
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
9,800
|
0.00%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
17,600
|
0.01%
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
9,800
|
0.00%
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
17,400
|
0.01%
|
|
Mar 31, 2023
|
Oberweis Asset Management Inc
|
17,700
|
0.01%
|
|
Dec 31, 2022
|
Oberweis Asset Management Inc
|
25,500
|
0.01%
|