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Note 2 - Debt Securities (Tables)

3 Months Ended

Mar. 31, 2018

Notes Tables

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

		March 31, 2018
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
(Amounts in thousands)
U.S. Agency securities		$	11,223			$	11			$	(10	)		$	11,224
U.S. Treasury securities			19,947				-				(5	)			19,942
Municipal securities			100,082				1,152				(895	)			100,339
Single issue trust preferred securities			9,370				-				(379	)			8,991
Mortgage-backed Agency securities			24,427				41				(827	)			23,641
Total debt securities available for sale		$	165,049			$	1,204			$	(2,116	)		$	164,137

		December 31, 2017
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
(Amounts in thousands)
U.S. Agency securities		$	11,289			$	17			$	(10	)		$	11,296
U.S. Treasury securities			19,987				-				(16	)			19,971
Municipal securities			101,552				2,203				(107	)			103,648
Single issue trust preferred securities			9,367				-				(483	)			8,884
Mortgage-backed Agency securities			22,095				46				(415	)			21,726
Total debt securities available for sale		$	164,290			$	2,266			$	(1,031	)		$	165,525

Debt Securities, Held-to-maturity [Table Text Block]

		March 31, 2018
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
(Amounts in thousands)
U.S. Agency securities		$	17,925			$	-			$	(87	)		$	17,838
Corporate securities			7,190				-				(41	)			7,149
Total debt securities held to maturity		$	25,115			$	-			$	(128	)		$	24,987

		December 31, 2017
		Amortized				Unrealized				Unrealized				Fair
		Cost				Gains				Losses				Value
(Amounts in thousands)
U.S. Agency securities		$	17,937			$	-			$	(49	)		$	17,888
Corporate securities			7,212				-				(16	)			7,196
Total debt securities held to maturity		$	25,149			$	-			$	(65	)		$	25,084

Investments Classified by Contractual Maturity Date [Table Text Block]

		March 31, 2018
		Amortized
(Amounts in thousands)		Cost				Fair Value
Available-for-sale debt securities
Due within one year		$	29,974			$	29,959
Due after one year but within five years			7,563				7,646
Due after five years but within ten years			99,038				98,852
Due after ten years			4,047				4,039
			140,622				140,496
Mortgage-backed securities			24,427				23,641
Total debt securities available for sale		$	165,049			$	164,137

Held-to-maturity debt securities
Due within one year		$	-			$	-
Due after one year but within five years			25,115				24,987
Due after five years but within ten years			-				-
Due after ten years			-				-
Total debt securities held to maturity		$	25,115			$	24,987

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

		March 31, 2018
		Less than 12 Months								12 Months or Longer								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
(Amounts in thousands)
U.S. Agency securities		$	10,018			$	(10	)		$	-			$	-			$	10,018			$	(10	)
U.S. Treasury securities			19,942				(5	)			-				-				19,942				(5	)
Municipal securities			28,497				(795	)			1,575				(100	)			30,072				(895	)
Single issue trust preferred securities			-				-				8,991				(379	)			8,991				(379	)
Mortgage-backed Agency securities			8,019				(154	)			13,050				(673	)			21,069				(827	)
Total		$	66,476			$	(964	)		$	23,616			$	(1,152	)		$	90,092			$	(2,116	)

		December 31, 2017
		Less than 12 Months								12 Months or Longer								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
(Amounts in thousands)
U.S. Agency securities		$	10,054			$	(10	)		$	-			$	-			$	10,054			$	(10	)
U.S. Treasury securities			19,972				(16	)			-				-				19,972				(16	)
Municipal securities			8,047				(55	)			2,314				(52	)			10,361				(107	)
Single issue trust preferred securities			-				-				8,884				(483	)			8,884				(483	)
Mortgage-backed Agency securities			4,276				(25	)			14,069				(390	)			18,345				(415	)
Total		$	42,349			$	(106	)		$	25,267			$	(925	)		$	67,616			$	(1,031	)

Schedule of Held to Maturity Debt Securities [Table Text Block]

		March 31, 2018
		Less than 12 Months								12 Months or Longer								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
(Amounts in thousands)
U.S. Agency securities		$	17,838			$	(87	)		$	-			$	-			$	17,838			$	(87	)
Corporate securities			7,149				(41	)			-				-				7,149				(41	)
Total		$	24,987			$	(128	)		$	-			$	-			$	24,987			$	(128	)

		December 31, 2017
		Less than 12 Months								12 Months or Longer								Total
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
(Amounts in thousands)
U.S. Agency securities		$	17,888			$	(49	)		$	-			$	-			$	17,888			$	(49	)
Corporate securities			7,196				(16	)			-				-				7,196				(16	)
Total		$	25,084			$	(65	)		$	-			$	-			$	25,084			$	(65	)