Note 3 - Investment Securities Available For Sale (Tables)

12 Months Ended

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	December 31, 2014
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	23,035	$	311	$	(450	)	$	22,896
Obligations of states and political subdivisions:
Taxable		2,953		226		-			3,179
Tax-exempt		91,916		3,803		(553	)		95,166
Mortgage-backed securities in government-sponsored entities		29,150		475		(234	)		29,391
Private-label mortgage-backed securities		2,672		247		-			2,919
Total debt securities		149,726		5,062		(1,237	)		153,551
Equity securities in financial institutions		750		33		-			783
Total	$	150,476	$	5,095	$	(1,237	)	$	154,334

	December 31, 2013
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	27,289	$	135	$	(1,661	)	$	25,763
Obligations of states and political subdivisions:
Taxable		3,787		46		(38	)		3,795
Tax-exempt		86,524		1,562		(3,267	)		84,819
Mortgage-backed securities in government-sponsored entities		38,816		535		(1,028	)		38,323
Private-label mortgage-backed securities		3,366		327		-			3,693
Total debt securities		159,782		2,605		(5,994	)		156,393
Equity securities in financial institutions		750		-		-			750
Total	$	160,532	$	2,605	$	(5,994	)	$	157,143

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized		Fair
(Dollar amounts in thousands)	Cost		Value
Due in one year or less	$	571	$	585
Due after one year through five years		10,029		10,200
Due after five years through ten years		20,960		21,602
Due after ten years		118,166		121,164
Total	$	149,726	$	153,551

Realized Gain (Loss) on Investments [Table Text Block]

	2014			2013			2012
Proceeds from sales	$	8,383		$	25,088		$	32,985
Gross realized gains		306			186			704
Gross realized losses		(58	)		(175	)		(94	)

Schedule of Unrealized Loss on Investments [Table Text Block]

	December 31, 2014
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	-	$	-		$	15,734	$	(450	)	$	15,734	$	(450	)
Obligations of states and political subdivisions
Tax-exempt		2,406		(10	)		18,232		(543	)		20,638		(553	)
Mortgage-backed securities in government-sponsored entities		-		-			16,774		(234	)		16,774		(234	)
Total	$	2,406	$	(10	)	$	50,740	$	(1,227	)	$	53,146	$	(1,237	)

	December 31, 2013
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	13,130	$	(929	)	$	7,166	$	(732	)	$	20,295	$	(1,661	)
Obligations of states and political subdivisions
Taxable		1,301		(38	)		-		-			1,301		(38	)
Tax-exempt		26,743		(2,883	)		2,678		(383	)		29,421		(3,267	)
Mortgage-backed securities in government-sponsored entities		18,082		(757	)		5,248		(271	)		23,330		(1,028	)
Total	$	59,255	$	(4,608	)	$	15,092	$	(1,386	)	$	74,347	$	(5,994	)