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Note 3 - Investment Securities Available for Sale (Tables)

12 Months Ended

Dec. 31, 2015

Investments, Debt and Equity Securities [Abstract]

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

		December 31, 2015
(Dollar amounts in thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
U.S. government agency securities		$	21,655			$	245			$	(271	)		$	21,629
Obligations of states and political subdivisions:
Taxable			1,989				134				-				2,123
Tax-exempt			91,940				3,402				(175	)			95,167
Mortgage-backed securities in government-sponsored entities			24,480				316				(272	)			24,524
Private-label mortgage-backed securities			2,079				184				-				2,263
Total debt securities			142,143				4,281				(718	)			145,706
Equity securities in financial institutions			750				64				-				814
Total		$	142,893			$	4,345			$	(718	)		$	146,520

		December 31, 2014
(Dollar amounts in thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair 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

Investments Classified by Contractual Maturity Date [Table Text Block]

(Dollar amounts in thousands)		Amortized Cost				Fair Value
Due in one year or less		$	1,139			$	1,153
Due after one year through five years			10,790				10,890
Due after five years through ten years			19,172				19,830
Due after ten years			111,042				113,833
Total		$	142,143			$	145,706

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

		2015				2014				2013
Proceeds from sales		$	15,686			$	8,383			$	25,088
Gross realized gains			440				306				186
Gross realized losses			(117	)			(58	)			(175	)

Schedule of Unrealized Loss on Investments [Table Text Block]

		December 31, 2015
		Less than Twelve Months								Twelve Months or Greater								Total
(Dollar amounts in thousands)		Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses
U.S. government agency securities		$	3,818			$	(57	)		$	10,872			$	(214	)		$	14,690			$	(271	)
Obligations of states and political subdivisions
Tax-exempt			1,268				(9	)			9,394				(166	)			10,662				(175	)
Mortgage-backed securities in government-sponsored entities			8,725				(86	)			6,685				(186	)			15,410				(272	)
Total		$	13,811			$	(152	)		$	26,951			$	(566	)		$	40,762			$	(718	)

		December 31, 2014
		Less than Twelve Months								Twelve Months or Greater								Total
(Dollar amounts in thousands)		Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized Losses				Fair Value				Gross Unrealized 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	)

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For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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