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Note 4 - Available-for-sale Securities (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Debt Securities, Available-for-sale [Table Text Block]

(In thousands)		Amortized Cost				Gross Unrealized Gains				Gross Unrealized (Losses)				Fair Value
June 30, 2018:
U. S. Government agency mortgage-backed securities		$	6,446				-				(217	)			6,229
Corporate bonds			14,000				-				(799	)			13,201
Subordinated notes			4,500				52				-				4,552
		$	24,946				52				(1,016	)			23,982

December 31, 2017:
U. S. Government agency mortgage-backed securities		$	7,330				-				(106	)			7,224
Corporate bonds			14,000				-				(196	)			13,804
Subordinated notes			4,500				48				-				4,548
		$	25,830				48				(302	)			25,576

Schedule of Unrealized Loss on Investments [Table Text Block]

(In thousands)		Less than 12 Months								12 Months or More								Total
		Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)
June 30, 2018:
U. S. Government agency mortgage-backed securities		$	3,513				(69	)			2,716				(148	)			6,229				(217	)
Corporate bonds			7,489				(511	)			5,712				(288	)			13,201				(799	)
		$	11,002				(580	)			8,428				(436	)			19,430				(1,016	)

December 31, 2017:
U. S. Government agency mortgage-backed securities		$	4,118				(13	)			3,106				(93	)			7,224				(106	)
Corporate bonds			13,804				(196	)			-				-				13,804				(196	)
		$	17,922				(209	)			3,106				(93	)			21,028				(302	)

Investments Classified by Contractual Maturity Date [Table Text Block]

(In thousands)		Amortized Cost																Fair Value
		Due Within 5 years				Due After 5 years through 10 years				Due After 10 years				Total				Due Within 5 years				Due After 5 years through 10 years				Due After 10 years				Total
June 30, 2018:
Corporate bonds		$	-				9,000				5,000				14,000				-				8,587				4,614				13,201
Subordinated notes			-				4,500				-				4,500				-				4,552				-				4,552
Available-for-sale securities with single maturity dates			-				13,500				5,000				18,500				-				13,139				4,614				17,753
U. S. Government agency mortgage-backed securities			-				2,864				3,582				6,446				-				2,716				3,513				6,229
		$	-				16,364				8,582				24,946				-				15,855				8,127				23,982

December 31, 2017:
Corporate bonds		$	-				9,000				5,000				14,000				-				8,928				4,876				13,804
Subordinated notes			-				4,500				-				4,500				-				4,548				-				4,548
Available-for-sale securities with single maturity dates			-				13,500				5,000				18,500				-				13,476				4,876				18,352
U. S. Government agency mortgage-backed securities			-				3,200				4,130				7,330				-				3,107				4,117				7,224
		$	-				16,700				9,130				25,830				-				16,583				8,993				25,576