Note 3 - Investment Securities Available for Sale (Tables)

3 Months Ended

Mar. 31, 2013

Summary of Investment Holdings, Schedule of Investments [Table Text Block]

	March 31, 2013
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Municipal securities	$	42,640	$	734	$	(29	)	$	43,345
Corporate debt securities		8,000		5		(22	)		7,983
Total	$	50,640	$	739	$	(51	)	$	51,328

	December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Municipal securities	$	44,562	$	849	$	(18	)	$	45,393
Corporate debt securities		8,000		--		(68	)		7,932
Total	$	52,562	$	849	$	(86	)	$	53,325

Schedule of Unrealized Loss on Investments [Table Text Block]

	March 31, 2013
	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Municipal securities	$	2,512	$	27	$	124	$	2	$	2,636	$	29
Corporate debt securities		998		2		1,980		20		2,978		22
Total	$	3,510	$	29	$	2,104	$	22	$	5,614	$	51

	December 31, 2012
	Less than 12 Months				12 Months or More				Total
	Fair Value		Unrealized Losses		Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Municipal securities	$	4,033	$	18	$	--	$	--	$	4,033	$	18
Corporate debt securities		3,980		20		3,952		48		7,932		68
Total	$	8,013	$	38	$	3,952	$	48	$	11,965	$	86

Investments Classified by Contractual Maturity Date [Table Text Block]

	March 31, 2013
	Amortized Cost		Fair Value		Weighted Average Rate
Within one year	$	276	$	276		3.37%
Due from one year to five years		19,539		19,636		2.17%
Due from five years to ten years		19,504		19,838		2.73%
Due after ten years		11,321		11,578		3.78%
Total	$	50,640	$	51,328		2.75%