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Note 2 - Cash and Cash Equivalents and Short-term Investments (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure Text Block Supplement [Abstract]

Cash, Cash Equivalents and Investments [Table Text Block]

		June 30, 2013
		Total Fair Value				Level 1				Level 2				Gross Unrealized Gains (pre-tax)				Gross Unrealized Losses (pre-tax)
Mutual funds		$	--			$	--			$	--			$	--			$	--
Municipal bonds			21,000				--				21,000				282				(465	)
Total securities available-for-sale		$	21,000			$	--			$	21,000			$	282			$	(465	)

		December 31, 2012
		Total Fair Value				Level 1				Level 2				Gross Unrealized Gains (pre-tax)				Gross Unrealized Losses (pre-tax)
Mutual funds		$	27,582			$	27,582			$	--			$	337			$	9
Municipal bonds			21,629				--				21,629				862				128
Total securities available-for-sale		$	49,211			$	27,582			$	21,629			$	1,199			$	137

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Tabular disclosure of the components of cash, cash equivalents, and investments.

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