Note 2 - Securities (Tables)

12 Months Ended

Dec. 31, 2015

Note 2 - Securities (Tables) [Line Items]

Available-for-sale Securities [Table Text Block]

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Securities Available for Sale
December 31, 2015
U.S. Government sponsored entity securities	$	9,011	$	----		(46	)	$	8,965
Agency mortgage-backed securities, residential		82,178		981		(473	)		82,686
Total securities	$	91,189	$	981		(519	)	$	91,651
December 31, 2014
U.S. Government sponsored entity securities	$	9,019	$	2		(104	)	$	8,917
Agency mortgage-backed securities, residential		74,762		1,693		(136	)		76,319
Total securities	$	83,781	$	1,695		(240	)	$	85,236

Held-to-maturity Securities [Table Text Block]

	Amortized Cost		Gross Unrecognized Gains		Gross Unrecognized Losses			Estimated Fair Value
Securities Held to Maturity
December 31, 2015
Obligations of states and political subdivisions	$	19,898	$	892	$	(5	)	$	20,785
Agency mortgage-backed securities, residential		5		----		----			5
Total securities	$	19,903	$	892	$	(5	)	$	20,790
December 31, 2014
Obligations of states and political subdivisions	$	22,811	$	939	$	(189	)	$	23,561
Agency mortgage-backed securities, residential		9		----		----			9
Total securities	$	22,820	$	939	$	(189	)	$	23,570

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available for Sale				Held to Maturity
Debt Securities:	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Due in one year or less	$	1,001	$	1,001	$	377	$	386
Due in one to five years		8,010		7,964		6,909		7,242
Due in five to ten years		----		----		10,529		11,057
Due after ten years		----		----		2,083		2,100
Agency mortgage-backed securities, residential		82,178		82,686		5		5
Total debt securities	$	91,189	$	91,651	$	19,903	$	20,790

Schedule of Unrealized Loss on Investments [Table Text Block]

December 31, 2015	Less than 12 Months					12 Months or More					Total
Securities Available for Sale	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government sponsored entity securities	$	7,964	$	(46	)	$	----	$	----		$	7,964	$	(46	)
Agency mortgage-backed securities, residential		42,112		(407	)		3,645		(66	)		45,757		(473	)
Total available for sale	$	50,076	$	(453	)	$	3,645	$	(66	)	$	53,721	$	(519	)

December 31, 2014	Less than 12 Months					12 Months or More					Total
Securities Available for Sale	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government sponsored entity securities	$	----	$	----		$	7,911	$	(104	)	$	7,911	$	(104	)
Agency mortgage-backed securities, residential		11,232		(20	)		8,397		(116	)		19,629		(136	)
Total available for sale	$	11,232	$	(20	)	$	16,308	$	(220	)	$	27,540	$	(240	)

Held-to-maturity Securities [Member]

Note 2 - Securities (Tables) [Line Items]

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less than 12 Months					12 Months or More				Total
Securities Held to Maturity	Fair Value		Unrecognized Loss			Fair Value		Unrecognized Loss		Fair Value		Unrecognized Loss
Obligations of states and political subdivisions	$	995	$	(5	)	$	----	$	----	$	995	$	(5	)
Total held to maturity	$	995	$	(5	)	$	----	$	----	$	995	$	(5	)

	Less than 12 Months					12 Months or More					Total
Securities Held to Maturity	Fair Value		Unrecognized Loss			Fair Value		Unrecognized Loss			Fair Value		Unrecognized Loss
Obligations of states and political subdivisions	$	1,171	$	(9	)	$	2,916	$	(180	)	$	4,087	$	(189	)
Total held to maturity	$	1,171	$	(9	)	$	2,916	$	(180	)	$	4,087	$	(189	)