Note H - Earnings Per Share - Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Weighted average common shares outstanding (in shares)	13,769	13,871	13,742	13,828
Dilutive effect of stock options and restricted stock units (in shares)	139	183	141	195
Weighted average common shares outstanding, assuming dilution (in shares)	13,908	14,054	13,883	14,023