Note 2 - Securities (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

(Dollar amounts in thousands)	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
December 31, 2021:
U.S. government sponsored entities and agencies	$	8,142	$	52	$	(35	)	$	8,159
U.S. agency mortgage-backed securities: residential		12,049		116		(130	)		12,035
U.S. agency collateralized mortgage obligations: residential		50,202		92		(804	)		49,490
State and political subdivisions		92,307		1,099		(844	)		92,562
Corporate debt securities		23,705		424		(105	)		24,024
Total securities available-for-sale	$	186,405	$	1,783	$	(1,918	)	$	186,270
December 31, 2020:
U.S. government sponsored entities and agencies	$	3,036	$	11	$	(40	)	$	3,007
U.S. agency mortgage-backed securities: residential		16,151		436		(6	)		16,581
U.S. agency collateralized mortgage obligations: residential		15,658		263		(10	)		15,911
State and political subdivisions		53,834		1,781		(38	)		55,577
Corporate debt securities		21,553		434		(22	)		21,965
Total securities available-for-sale	$	110,232	$	2,925	$	(116	)	$	113,041

Schedule of Realized Gain (Loss) [Table Text Block]

	2021			2020
Proceeds	$	9,127		$	43,906
Gains		265			699
Losses		(20	)		(12	)
Tax provision related to gains (losses)		52			144

Investments Classified by Contractual Maturity Date [Table Text Block]

(Dollar amounts in thousands)	Available-for-sale
	Amortized Cost		Fair Value
Due in one year or less	$	—	$	—
Due after one year through five years		4,607		4,679
Due after five years through ten years		32,691		33,034
Due after ten years		86,856		87,032
Mortgage-backed securities: residential		12,049		12,035
Collateralized mortgage obligations: residential		50,202		49,490
Total securities available-for-sale	$	186,405	$	186,270

Schedule of Unrealized Loss on Investments [Table Text Block]

(Dollar amounts in thousands)	Less than 12 Months					12 Months or More					Total
	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
December 31, 2021:
U.S. government sponsored entities and agencies	$	4,568	$	(35	)	$	—	$	—		$	4,568	$	(35	)
U.S. agency mortgage-backed securities: residential		7,254		(130	)		—		—			7,254		(130	)
U.S. agency collateralized mortgage obligations: residential		39,964		(801	)		1,584		(3	)		41,548		(804	)
State and political subdivisions		39,872		(814	)		1,442		(30	)		41,314		(844	)
Corporate debt securities		6,104		(105	)		—		—			6,104		(105	)
Total	$	97,762	$	(1,885	)	$	3,026	$	(33	)	$	100,788	$	(1,918	)
December 31, 2020:
U.S. government sponsored entities and agencies	$	1,996	$	(40	)	$	—	$	—		$	1,996	$	(40	)
U.S. agency mortgage-backed securities: residential		1,547		(6	)		—		—			1,547		(6	)
U.S. agency collateralized mortgage obligations: residential		1,515		(4	)		4,845		(6	)		6,360		(10	)
State and political subdivisions		1,705		(11	)		1,641		(27	)		3,346		(38	)
Corporate debt securities		2,509		(10	)		988		(12	)		3,497		(22	)
Total	$	9,272	$	(71	)	$	7,474	$	(45	)	$	16,746	$	(116	)