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Note 3 - Securities (Tables)

6 Months Ended

Jun. 30, 2024

Notes Tables

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

		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
Available-for-Sale Securities
June 30, 2024
Municipal securities		$	929			$	—			$	(4	)		$	925
U.S. Treasury Notes			77,128				—				(2,069	)			75,059
U.S. government-sponsored agencies			142,987				3				(174	)			142,816
Mortgage-backed securities - residential			3,255				27				(98	)			3,184
Collateralized mortgage obligations - residential			938				—				(16	)			922
		$	225,237			$	30			$	(2,361	)		$	222,906
December 31, 2023
Municipal securities		$	930			$	12			$	(8	)		$	934
U.S. Treasury Notes			115,920				—				(3,412	)			112,508
U.S. government-sponsored agencies			35,446				7				(62	)			35,391
Mortgage-backed securities - residential			3,431				27				(91	)			3,367
Collateralized mortgage obligations - residential			1,023				—				(20	)			1,003
		$	156,750			$	46			$	(3,593	)		$	153,203

Investments Classified by Contractual Maturity Date [Table Text Block]

		June 30, 2024
		Amortized Cost				Fair Value
Due in one year or less		$	104,022			$	102,671
Due after one year through five years			117,022				116,129
			221,044				218,800
Mortgage-backed securities - residential			3,255				3,184
Collateralized mortgage obligations - residential			938				922
		$	225,237			$	222,906

Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block]

		Less than 12 Months												12 Months or More												Total
		Count				Fair Value				Unrealized Loss				Count				Fair Value				Unrealized Loss				Count				Fair Value				Unrealized Loss
June 30, 2024
Municipal securities			1			$	603			$	(1	)			1			$	221			$	(3	)			2			$	824			$	(4	)
U.S. Treasury Notes			—				—				—				115				75,059				(2,069	)			115				75,059				(2,069	)
U.S. government-sponsored agencies			15				124,837				(159	)			2				7,985				(15	)			17				132,822				(174	)
Mortgage-backed securities - residential			—				—				—				12				2,236				(98	)			12				2,236				(98	)
Collateralized mortgage obligations - residential			—				—				—				5				922				(16	)			5				922				(16	)
			16			$	125,440			$	(160	)			135			$	86,423			$	(2,201	)			151			$	211,863			$	(2,361	)
December 31, 2023
Municipal securities			—			$	—			$	—				1			$	217			$	(8	)			1			$	217			$	(8	)
U.S. Treasury Notes			—				—				—				170				112,508				(3,412	)			170				112,508				(3,412	)
U.S. government-sponsored agencies			2				8,987				(13	)			4				17,951				(49	)			6				26,938				(62	)
Mortgage-backed securities - residential			—				—				—				17				2,627				(91	)			17				2,627				(91	)
Collateralized mortgage obligations - residential			—				—				—				6				1,003				(20	)			6				1,003				(20	)
			2			$	8,987			$	(13	)			198			$	134,306			$	(3,580	)			200			$	143,293			$	(3,593	)

Gain (Loss) on Securities [Table Text Block]

		Three Months Ended								Six Months Ended
		June 30,								June 30,
		2024				2023				2024				2023
Proceeds		$	—			$	—			$	—			$	42,631
Gross gains			—				—				—				—
Gross losses			—				—				—				(454	)

X

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Tabular disclosure of fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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