Note 6 - Securities (Tables)

6 Months Ended

Jun. 30, 2015

Investments, Debt and Equity Securities [Abstract]

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

	June 30, 2015
			Gross		Gross
			Unrealized		Unrealized
	Amortized		Holding		Holding
(in thousands)	Cost		Gains		Losses		Fair Value
Available-for-sale:
Obligations of U.S. government agencies	$	43,789	$	213	$	1	$	44,001
Obligations of state and political subdivisions		36,189		60		294		35,955
U.S. government/government-sponsored agencies:
Collateralized mortgage obligations - residential		24,163		237		4		24,396
Collateralized mortgage obligations - commercial		84,904		201		314		84,791
Residential mortgage-backed securities		33,329		446		4		33,771
Corporate debt securities		500		-		69		431
Negotiable certificates of deposit		2,232		4		-		2,236
Equity securities		1,010		-		52		958
Total available-for-sale securities	$	226,116	$	1,161	$	738	$	226,539

	December 31, 2014
			Gross		Gross
			Unrealized		Unrealized
	Amortized		Holding		Holding
(in thousands)	Cost		Gains		Losses		Fair Value
Available-for-sale:
Obligations of U.S. government agencies	$	29,246	$	77	$	47	$	29,276
Obligations of state and political subdivisions		23,132		1,380		3		24,509
U.S. government/government-sponsored agencies:
Collateralized mortgage obligations - residential		26,129		103		1		26,231
Collateralized mortgage obligations - commercial		61,017		492		253		61,256
Residential mortgage-backed securities		73,998		441		341		74,098
Corporate debt securities		500		-		80		420
Negotiable certificates of deposit		2,232		-		-		2,232
Equity securities		1,010		-		43		967
Total available-for-sale securities	$	217,264	$	2,493	$	768	$	218,989

Investments Classified by Contractual Maturity Date [Table Text Block]

	June 30, 2015
	Amortized		Fair
(in thousands)	Cost		Value
Amounts maturing in:
One year or less	$	-	$	-
After one year through five years		13,072		13,131
After five years through ten years		66,931		66,835
After ten years		2,707		2,657
Collateralized mortgage obligations		109,067		109,187
Residential mortgage-backed securities		33,329		33,771
Total	$	225,106	$	225,581

Schedule of Unrealized Loss on Investments [Table Text Block]

	June 30, 2015
	Less than 12 Months						12 Months or Greater						Total
	Number				Gross		Number				Gross		Number				Gross
	of		Fair		Unrealized		of		Fair		Unrealized		of		Fair		Unrealized
(dollars in thousands)	Securities		Value		Losses		Securities		Value		Losses		Securities		Value		Losses
Obligations of U.S. government agencies		1	$	7,419	$	1		-	$	-	$	-		1	$	7,419	$	1
Obligations of state and policitical subdivisions		23		32,663		289		1		258		5		24		32,921		294
U.S. government/government-sponsored agencies:
Collateralized mortgage obligations - residential		2		1,039		4		-		-		-		2		1,039		4
Collateralized mortgage obligations - commercial		13		50,068		314		-		-		-		13		50,068		314
Residential mortgage-backed securities		1		5,004		4		-		-		-		1		5,004		4
Corporate debt securities		-		-		-		1		431		69		1		431		69
Negotiable certificates of deposit		-		-		-		-		-		-		-		-		-
Equity securities		-		-		-		1		948		52		1		948		52
Total		40	$	96,193	$	612		3	$	1,637	$	126		43	$	97,830	$	738

	December 31, 2014
	Less than 12 Months						12 Months or Greater						Total
	Number				Gross		Number				Gross		Number				Gross
	of		Fair		Unrealized		of		Fair		Unrealized		of		Fair		Unrealized
(dollars in thousands)	Securities		Value		Losses		Securities		Value		Losses		Securities		Value		Losses
Obligations of U.S. government agencies		2	$	9,513	$	47		-	$	-	$	-		2	$	9,513	$	47
Obligations of state and political subdivisions		-		-		-		1		254		3		1		254		3
U.S. government/government-sponsored agencies:
Collateralized mortgage obligations - residential		1		653		1		-		-		-		1		653		1
Collateralized mortgage obligations - commerical		7		32,513		105		3		8,693		148		10		41,206		253
Residential mortgage-backed securities		3		16,659		56		6		37,619		285		9		54,278		341
Corporate debt securities		-		-		-		1		420		80		1		420		80
Negotiable certificates of deposit		-		-		-		-		-		-		-		-		-
Equity securities		-		-		-		1		957		43		1		957		43
Total		13	$	59,338	$	209		12	$	47,943	$	559		25	$	107,281	$	768