Note J - Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2013

Fair Value Disclosures [Abstract]

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

	Total	Level 1	Level 2	Level 3
	(in thousands)
Marketable equity securities	$19,448	$19,448	-	-

Fair Value, by Balance Sheet Grouping [Table Text Block]

	Carrying Value	Estimated Fair Value
	(in thousands)
Long-term debt	$107,005	$106,887