Note H - Earnings Per Share - Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Weighted average common shares outstanding (in shares)	13,769	13,877	13,751	13,845
Dilutive effect of stock options and restricted stock units (in shares)	102	156	121	162
Weighted average common shares outstanding, assuming dilution (in shares)	13,871	14,033	13,872	14,007