Note 2 - Investment Securities (Tables)

12 Months Ended

Dec. 31, 2015

Investments, Debt and Equity Securities [Abstract]

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

(Dollars In Thousands)	December 31, 2015
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
U.S. Government agency securities	$	26,385	$	242	$	(191	)	$	26,436
Mortgage-backed securities		8,803		60		(90	)		8,773
Municipal securities		16,756		594		(15	)		17,335
	$	51,944	$	896	$	(296	)	$	52,544

(Dollars In Thousands)	December 31, 2014
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
U.S. Government agency securities	$	26,812	$	333	$	(180	)	$	26,965
Mortgage-backed securities		9,678		125		(64	)		9,739
Municipal securities		17,423		531		(55	)		17,899
	$	53,913	$	989	$	(299	)	$	54,603

Schedule of Unrealized Loss on Investments [Table Text Block]

	December 31, 2015
	Less than 12 months					12 months or more					Total
(Dollars In Thousands)	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government agency securities	$	8,878	$	(106	)	$	5,275	$	(85	)	$	14,153	$	(191	)
Mortgage-backed securities		3,447		(32	)		2,718		(58	)		6,165		(90	)
Municipal securities		805		(10	)		526		(5	)		1,331		(15	)
	$	13,130	$	(148	)	$	8,519	$	(148	)	$	21,649	$	(296	)

	December 31, 2014
	Less than 12 months					12 months or more					Total
(Dollars In Thousands)	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
U.S. Government agency securities	$	5,568	$	(48	)	$	7,078	$	(132	)	$	12,646	$	(180	)
Mortgage-backed securities		742		(6	)		4,058		(58	)		4,800		(64	)
Municipal securities		1,625		(20	)		2,186		(35	)		3,811		(55	)
	$	7,935	$	(74	)	$	13,322	$	(225	)	$	21,257	$	(299	)

Investments Classified by Contractual Maturity Date [Table Text Block]

(Dollars In Thousands)	Amortized Cost		Fair Value
Less than one year	$	-	$	-
Over one through five years		1,809		1,825
Over five through ten years		10,363		10,424
Greater than 10 years		39,772		40,295
	$	51,944	$	52,544