Note H - Earnings Per Share - Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Weighted average common shares outstanding (in shares)	13,786	13,769	13,752	13,742
Dilutive effect of stock options and restricted stock units (in shares)	115	139	102	141
Weighted average common shares outstanding, assuming dilution (in shares)	13,901	13,908	13,854	13,883