Note 1 - Basis of Consolidation and Presentation (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

	Level 1		Level 2		Level 3		Total
	(In thousands)
As of September 30, 2012
Money Market Funds	$	4,085	$	--	$	--	$	4,085
Commercial Paper		10,624		--		--		10,624
Total	$	14,709	$	--	$	--	$	14,709
As of December 31, 2011
Money Market Funds	$	3,243	$	--	$	--	$	3,243
Commercial Paper		4,659		--		--		4,659
Total	$	7,902	$	--	$	--	$	7,902

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

	September 30, 2012		December 31, 2011
	(In thousands)
Total carrying amounts of long-term debt	$	13,076	$	14,486
Estimated fair value of long-term debt	$	13,186	$	14,498