Note 4 - Investment and Equity Securities (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

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

	December 31, 2019
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
Subordinated debt	$	4,000	$	126	$	-		$	4,126
Obligations of states and political subdivisions:
Taxable		500		1		-			501
Tax-exempt		80,436		2,065		(25	)		82,476
Mortgage-backed securities in government-sponsored entities		18,465		274		(109	)		18,630
Total	$	103,401	$	2,466	$	(134	)	$	105,733

	December 31, 2018
			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
(Dollar amounts in thousands)	Cost		Gains		Losses			Value
U.S. government agency securities	$	7,442	$	90	$	(61	)	$	7,471
Obligations of states and political subdivisions:
Taxable		502		10		-			512
Tax-exempt		72,387		667		(473	)		72,581
Mortgage-backed securities in government-sponsored entities		18,185		88		(515	)		17,758
Total	$	98,516	$	855	$	(1,049	)	$	98,322

Investments Classified by Contractual Maturity Date [Table Text Block]

	Amortized		Fair
(Dollar amounts in thousands)	Cost		Value
Due in one year or less	$	148	$	149
Due after one year through five years		1,324		1,345
Due after five years through ten years		16,613		16,908
Due after ten years		85,316		87,331
Total	$	103,401	$	105,733

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

	2019			2018
Proceeds from sales	$	12,324		$	-
Gross realized gains		227			-
Gross realized losses		(33	)		-

Schedule of Unrealized Loss on Investments [Table Text Block]

	December 31, 2019
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
Obligations of states and political subdivisions
Tax-exempt	$	4,324	$	(25	)	$	-	$	-		$	4,324	$	(25	)
Mortgage-backed securities in government-sponsored entities		1,409		(2	)		8,223		(107	)		9,632		(109	)
Total	$	5,733	$	(27	)	$	8,223	$	(107	)	$	13,956	$	(134	)

	December 31, 2018
	Less than Twelve Months					Twelve Months or Greater					Total
			Gross					Gross					Gross
	Fair		Unrealized			Fair		Unrealized			Fair		Unrealized
(Dollar amounts in thousands)	Value		Losses			Value		Losses			Value		Losses
U.S. government agency securities	$	-	$	-		$	4,105	$	(61	)	$	4,105	$	(61	)
Obligations of states and political subdivisions
Tax-exempt		20,451		(286	)		11,053		(187	)		31,504		(473	)
Mortgage-backed securities in government-sponsored entities		2,068		(9	)		12,257		(506	)		14,325		(515	)
Total	$	22,519	$	(295	)	$	27,415	$	(754	)	$	49,934	$	(1,049	)