Note I - Long-Term Debt (Details) - Long-Term Debt (Line of Credit [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Line of Credit [Member]
Debt Instrument [Line Items]
Revolving Line of Credit/Swing Line. Outstanding borrowings bear daily interest at a base rate (based on the U.S. Prime Rate, which was 3.25% at December 31, 2013 and December 31, 2012, plus a spread) or LIBOR (1, 3, or 6 month rates) plus a spread, payable monthly	$ 40,000	$ 105,000