Note H - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Balance at January 1	$ 2,481	$ 2,458
Increases for tax positions taken related to the current year	694	544
Increases (decrease) for tax positions taken related to prior years	(51)
Increases (decrease) for tax positions taken related to prior years		70
Lapse of statute of limitations	(1,002)	(530)
Settlements	0	(61)
Balance at December 31	$ 2,122	$ 2,481