Note 4 - Available for Sale Securities (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

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

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
June 30, 2018
Obligations of the US government and US government sponsored agencies	$	1,875	$	3	$	(7	)	$	1,871
Obligations of states and political subdivisions		9,894		40		(149	)		9,785
Mortgage-backed securities		35,626		17		(1,079	)		34,564
Certificates of deposit		4,000		1		(103	)		3,898
Corporate debt securities		5,085		8		(76	)		5,017
Total available for sale securities	$	56,480	$	69	$	(1,414	)	$	55,135
December 31, 2017
Obligations of the US government and US government sponsored agencies	$	2,211	$	11	$	(2	)	$	2,220
Obligations of states and political subdivisions		13,102		104		(69	)		13,137
Mortgage-backed securities		33,908		14		(455	)		33,467
Certificates of deposit		4,000		6		(9	)		3,997
Corporate debt securities		5,171		29		(9	)		5,191
Total available for sale securities	$	58,392	$	164	$	(544	)	$	58,012

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

	Less Than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
June 30, 2018
Obligations of the US government and US government sponsored agencies	$	1,383	$	(6	)	$	138	$	(1	)	$	1,521	$	(7	)
Obligations of states and political subdivisions		4,336		(78	)		2,598		(71	)		6,934		(149	)
Mortgage-backed securities		22,561		(640	)		10,975		(439	)		33,536		(1,079	)
Certificates of deposit		3,647		(103	)		-		-			3,647		(103	)
Corporate debt securities		4,346		(76	)		-		-			4,346		(76	)
Total	$	36,273	$	(903	)	$	13,711	$	(511	)	$	49,984	$	(1,414	)
December 31, 2017
Obligations of the US government and US government sponsored agencies	$	235	$	(2	)	$	-	$	-		$	235	$	(2	)
Obligations of states and political subdivisions		3,180		(23	)		2,660		(46	)		5,840		(69	)
Mortgage-backed securities		22,685		(213	)		9,270		(242	)		31,955		(455	)
Certificates of deposit		2,492		(9	)		-		-			2,492		(9	)
Corporate debt securities		2,683		(8	)		250		(1	)		2,933		(9	)
Total	$	31,275	$	(255	)	$	12,180	$	(289	)	$	43,455	$	(544	)

Investments Classified by Contractual Maturity Date [Table Text Block]

	June 30, 2018
	Amortized Cost		Fair Value
Due in one year or less	$	1,516	$	1,513
Due after one year through 5 years		8,464		8,355
Due after 5 years through 10 years		5,384		5,286
Due after 10 years		5,490		5,417
Subtotal	$	20,854	$	20,571
Mortgage-backed securities		35,626		34,564
Total	$	56,480	$	55,135