Note A - Summary of Significant Accounting Policies - Schedule of Error Corrections and Prior Period Adjustments (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Common Stock	$ 5,406		$ 4,480	$ 3,389
Retained Earnings	160,576		160,099	155,020
TOTAL STOCKHOLDERS' EQUITY	$ 165,982	$ 164,720	$ 164,579	158,409	$ 156,318	$ 158,475
Previously Reported [Member]
Common Stock				13,737
Retained Earnings				144,672
TOTAL STOCKHOLDERS' EQUITY				158,409
Revision of Prior Period, Error Correction, Adjustment [Member]
Common Stock				(10,348)
Retained Earnings				10,348
TOTAL STOCKHOLDERS' EQUITY				$ 0