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Note 2 - Securities (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Available-for-sale and Held-to-maturity Reconciliation [Table Text Block]

		September 30, 2025
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized (Losses)				Fair Value				Allowance for Credit Losses
Securities available for sale:
U.S. Treasury securities		$	34,425			$	124			$	(418	)		$	34,131			$	—
U.S. agency and mortgage-backed securities			115,347				206				(8,911	)			106,642				—
Obligations of states and political subdivisions			62,146				30				(6,473	)			55,703				—
Total securities available for sale		$	211,918			$	360			$	(15,802	)		$	196,476			$	—
Securities held to maturity:
U.S. Treasury securities		$	9,825			$	—			$	(31	)		$	9,794			$	—
U.S. agency and mortgage-backed securities			81,431				7				(6,178	)			75,260				—
Obligations of states and political subdivisions			10,435				22				(828	)			9,629				—
Corporate debt securities			3,000				—				(308	)			2,692				(83	)
Total securities held to maturity		$	104,691			$	29			$	(7,345	)		$	97,375			$	(83	)
Total securities		$	316,609			$	389			$	(23,147	)		$	293,851			$	(83	)

		December 31, 2024
		Amortized Cost				Gross Unrealized Gains				Gross Unrealized (Losses)				Fair Value				Allowance for Credit Losses
Securities available for sale:
U.S. Treasury securities		$	12,483			$	—			$	(795	)		$	11,688			$	—
U.S. agency and mortgage-backed securities			110,480				57				(12,498	)			98,039				—
Obligations of states and political subdivisions			62,954				5				(8,839	)			54,120				—
Total securities available for sale		$	185,917			$	62			$	(22,132	)		$	163,847			$	—
Securities held to maturity:
U.S. Treasury securities		$	9,632			$	—			$	(125	)		$	9,507			$	—
U.S. agency and mortgage-backed securities			86,555				—				(9,282	)			77,273				—
Obligations of states and political subdivisions			10,649				8				(1,112	)			9,545				—
Corporate debt securities			3,000				—				(450	)			2,550				(95	)
Total securities held to maturity		$	109,836			$	8			$	(10,969	)		$	98,875			$	(95	)
Total securities		$	295,753			$	70			$	(33,101	)		$	262,722			$	(95	)

Gain (Loss) on Securities [Table Text Block]

		September 30, 2025
		Less than 12 months								12 months or more								Total
		Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)
Securities available for sale:
U.S. Treasury securities		$	4,958			$	—			$	12,072			$	(418	)		$	17,030			$	(418	)
U.S. agency and mortgage-backed securities			9,718				(78	)			63,649				(8,833	)			73,367				(8,911	)
Obligations of states and political subdivisions			—				—				48,282				(6,473	)			48,282				(6,473	)
Total securities available for sale		$	14,676			$	(78	)		$	124,003			$	(15,724	)		$	138,679			$	(15,802	)

		December 31, 2024
		Less than 12 months								12 months or more								Total
		Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)				Fair Value				Unrealized (Loss)
Securities available for sale:
U.S. Treasury securities		$	—			$	—			$	11,688			$	(795	)		$	11,688			$	(795	)
U.S. agency and mortgage-backed securities			23,445				(237	)			67,800				(12,261	)			91,245				(12,498	)
Obligations of states and political subdivisions			4,839				(135	)			47,776				(8,704	)			52,615				(8,839	)
Total securities available for sale		$	28,284			$	(372	)		$	127,264			$	(21,760	)		$	155,548			$	(22,132	)

Investments Classified by Contractual Maturity Date [Table Text Block]

		Available for Sale								Held to Maturity
		Amortized Cost				Fair Value				Amortized Cost				Fair Value
Due within one year		$	11,519			$	11,513			$	14,981			$	14,867
Due after one year through five years			65,594				64,464				13,485				12,862
Due after five years through ten years			39,643				37,338				17,249				16,225
Due after ten years			95,162				83,161				58,976				53,421
		$	211,918			$	196,476			$	104,691			$	97,375

Marketable Securities [Table Text Block]

		September 30, 2025				December 31, 2024
Federal Home Loan Bank stock		$	2,752			$	1,467
Federal Reserve Bank stock			1,421				2,010
Community Bankers’ Bank stock			263				264
		$	4,436			$	3,741

Debt Securities, Held-to-Maturity, Credit Quality Indicator [Table Text Block]

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
September 30, 2025
Aaa		$	9,825			$	23,355			$	2,267			$	—			$	35,447
Aa1 / Aa2 / Aa3			—				—				8,168				—				8,168
Baa1 / Baa2 / Baa3			—				—				—				3,000				3,000
Not rated - Agency (1)			—				58,076				—				—				58,076
Total		$	9,825			$	81,431			$	10,435			$	3,000			$	104,691
December 31, 2024
Aaa		$	9,632			$	23,173			$	2,487			$	—			$	35,292
Aa1 / Aa2 / Aa3			—				—				8,162				—				8,162
Baa1 / Baa2 / Baa3			—				—				—				3,000				3,000
Not rated - Agency (1)			—				63,382				—				—				63,382
Total		$	9,632			$	86,555			$	10,649			$	3,000			$	109,836

Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block]

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
Balance, June 30, 2025		$	—			$	—			$	—			$	98			$	98
Provision for credit losses			—				—				—				(15	)			(15	)
Charge-offs of securities			—				—				—				—				—
Recoveries			—				—				—				—				—
Balance, September 30, 2025		$	—			$	—			$	—			$	83			$	83

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
Balance, June 30, 2024		$	—			$	—			$	1			$	108			$	109
Provision for credit losses			—				—				—				(5	)			(5	)
Charge-offs of securities			—				—				—				—				—
Recoveries			—				—				—				—				—
Balance, September 30, 2024		$	—			$	—			$	1			$	103			$	104

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
Balance, December 31, 2024		$	—			$	—			$	—			$	95			$	95
Provision for credit losses			—				—				—				(12	)			(12	)
Charge-offs of securities			—				—				—				—				—
Recoveries			—				—				—				—				—
Balance, September 30, 2025		$	—			$	—			$	—			$	83			$	83

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
Balance, December 31, 2023		$	—			$	—			$	—			$	107			$	107
Provision for credit losses			—				—				1				(4	)			(3	)
Charge-offs of securities			—				—				—				—				—
Recoveries			—				—				—				—				—
Balance, September 30, 2024		$	—			$	—			$	1			$	103			$	104

		U.S. Treasury securities				U.S. agency and mortgage-backed securities				Obligations of states and political subdivisions				Corporate debt securities				Total Held to Maturity Securities
Balance, December 31, 2023		$	—			$	—			$	—			$	107			$	107
Provision for credit losses			—				—				—				(12	)			(12	)
Charge-offs of securities			—				—				—				—				—
Recoveries			—				—				—				—				—
Balance, December 31, 2024		$	—			$	—			$	—			$	95			$	95

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(9)(a))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

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-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(7)(c))
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