|
Mar 31, 2025
|
Oberweis Asset Management Inc
|
21,000
|
0.00%
|
|
|
|
Feb 28, 2025
|
Oberweis Asset Management Inc
|
21,000
|
0.00%
|
|
|
|
Jan 31, 2025
|
Oberweis Asset Management Inc
|
25,000
|
0.00%
|
|
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
10,500
|
0.00%
|
|
Dec 31, 2024
|
Oberweis Asset Management Inc
|
25,000
|
0.00%
|
|
|
|
Nov 30, 2024
|
Oberweis Asset Management Inc
|
25,000
|
0.00%
|
|
|
|
Oct 31, 2024
|
Oberweis Asset Management Inc
|
37,000
|
0.00%
|
|
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
12,500
|
0.00%
|
|
Sep 30, 2024
|
Oberweis Asset Management Inc
|
37,000
|
0.00%
|
|
|
|
Aug 31, 2024
|
Oberweis Asset Management Inc
|
37,000
|
0.00%
|
|
|
|
Jul 31, 2024
|
Oberweis Asset Management Inc
|
37,000
|
0.00%
|
|
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
18,500
|
0.00%
|
|
Jun 30, 2024
|
Oberweis Asset Management Inc
|
37,000
|
0.00%
|
|
|
|
May 31, 2024
|
Oberweis Asset Management Inc
|
37,000
|
0.00%
|
|
|
|
Apr 30, 2024
|
Oberweis Asset Management Inc
|
34,000
|
0.00%
|
|
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
18,500
|
0.00%
|
|
Mar 31, 2024
|
Oberweis Asset Management Inc
|
34,000
|
0.00%
|
|
|
|
Feb 29, 2024
|
Oberweis Asset Management Inc
|
34,000
|
0.00%
|
|
|
|
Jan 31, 2024
|
Oberweis Asset Management Inc
|
24,000
|
0.00%
|
|
|
|
Dec 31, 2023
|
Oberweis Asset Management Inc
|
24,000
|
0.00%
|
|
|
|
Nov 30, 2023
|
Oberweis Asset Management Inc
|
22,500
|
0.00%
|
|
|
|
Oct 31, 2023
|
Oberweis Asset Management Inc
|
22,500
|
0.00%
|
|
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
12,000
|
0.00%
|
|
Sep 30, 2023
|
Oberweis Asset Management Inc
|
21,000
|
0.00%
|
|
|
|
Aug 31, 2023
|
Oberweis Asset Management Inc
|
10,500
|
0.00%
|
|
|
|
Jul 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
10,500
|
0.00%
|
|
Jun 30, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|
|
|
|
May 31, 2023
|
Oberweis Asset Management Inc
|
0
|
0.00%
|