Note 2 - Investment Securities (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	Amortized		Gross		Gross Unrealized		Fair
Securities available for sale:	Cost		Unrealized Gains		Losses		Value
	(In thousands)
December 31, 2016
Government agencies	$	16,797	$	245	$	47	$	16,995
Mortgage-backed securities		93,124		2,155		163		95,116
Municipal securities		53,465		536		319		53,682
Corporate bonds		26,983		60		230		26,813
Total	$	190,369	$	2,996	$	759	$	192,606
December 31, 2015
Government agencies	$	30,850	$	541	$	6	$	31,385
Mortgage-backed securities		128,820		3,141		277		131,684
Municipal securities		55,534		1,305		8		56,831
Corporate bonds		28,744		-		349		28,395
Total	$	243,948	$	4,987	$	640	$	248,295

	Amortized		Gross Unrealized		Gross Unrealized		Fair
Securities held to maturity:	Cost		Gains		Losses		Value
	(In thousands)
December 31, 2016
Government agencies	$	510	$	1	$	-	$	511
Total	$	510	$	1	$	-	$	511
December 31, 2015
Government agencies	$	508	$	2	$	-	$	510
Total	$	508	$	2	$	-	$	510

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

	Years Ended December 31,
	2016			2015
	(In thousands)
Proceeds from sale	$	40,631		$	46,236
Gross realized gains on sales		594			1,429
Gross realized losses on sales		(127	)		(11	)
Total realized gains (losses), net	$	467		$	1,418

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less Than 12 Months				12 Months or More				Total
	Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
	Value		Losses		Value		Losses		Value		Losses
	(In thousands)
December 31, 2016
Government agencies	$	6,766	$	47	$	-	$	-	$	6,766	$	47
Mortgage-backed securities		27,586		163		-		-		27,586		163
Municipal securities		24,156		319		-		-		24,156		319
Corporate bonds		13,751		26		7,795		204		21,546		230
Total	$	72,259	$	555	$	7,795	$	204	$	80,054	$	759
December 31, 2015
Government agencies	$	3,785	$	12	$	-	$	-	$	3,785	$	12
Mortgage-backed securities		51,956		264		2,641		7		54,597		271
Municipal securities		1,530		8		-		-		1,530		8
Corporate bonds		16,115		120		11,280		229		27,395		349
Total	$	73,386	$	404	$	13,921	$	236	$	87,307	$	640

Investments Classified by Contractual Maturity Date [Table Text Block]

	Less Than		One to		Five to		Over
Securities available for sale:	One Year		Five Years		Ten Years		Ten Years
	(In thousands)
Government agencies
Amortized cost	$	-	$	7,315	$	9,482	$	-
Fair value		-		7,292		9,703		-
Mortgage-backed securities
Amortized cost		-		69,188		7,124		16,812
Fair value		-		70,071		7,282		17,763
Municipal securities
Amortized cost		3,757		15,758		33,950		-
Fair value		3,775		16,050		33,857		-
Corporate bonds
Amortized cost		5,032		11,451		10,500		-
Fair value		5,028		11,460		10,325		-
Total Amortized cost	$	8,789	$	103,712	$	61,056	$	16,812
Total Fair value	$	8,803	$	104,873	$	61,167	$	17,763
Securities held to maturity:
Government agencies
Amortized cost	$	510	$	-	$	-	$	-
Fair value		511		-		-		-
Total Amortized cost	$	510	$	-	$	-	$	-
Total Fair value	$	511	$	-	$	-	$	-

Marketable Securities [Table Text Block]

	December 31, 2016
	Amortized Cost		Fair Value
	(In thousands)
Obligations of state and political subdivisions:
General obligation bonds:
Pennsylvania	$	3,874	$	3,897
California		3,679		3,709
Washington		3,384		3,305
Indiana		2,412		2,413
Texas		2,276		2,210
Florida		2,234		2,223
Alabama		1,821		1,803
Utah		1,791		1,747
Nevada		1,339		1,366
Other (10 states)		8,081		8,283
Total general obligation bonds		30,891		30,956
Revenue bonds:
New York		7,200		7,224
North Carolina		4,239		4,314
Mississippi		2,319		2,319
Oklahoma		2,252		2,285
Pennsylvania		1,901		1,954
Other (4 states)		4,663		4,630
Total revenue bonds		22,574		22,726
Total obligations of state and political subdivisions	$	53,465	$	53,682

	December 31, 2016
	Amortized Cost		Fair Value
	(In thousands)
Revenue bonds by revenue source:
University and college	$	8,588	$	8,635
Public improvements		6,125		6,144
Pension funding		1,901		1,954
Refunding bonds		1,631		1,601
Other		4,329		4,392
Total revenue bonds	$	22,574	$	22,726