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Note 3 - Securities (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

Available-for-Sale Securities		Amortized Cost				Gross Unrealized Gains				Gross Unrealized Losses				Fair Value
December 31, 2024
Municipal securities		$	703			$	3			$	—			$	706
U.S. Treasury Bills and Notes			246,876				103				(689	)			246,290
U.S. government-sponsored agencies			109,900				1				(128	)			109,773
Mortgage-backed securities - residential			2,949				31				(69	)			2,911
Collateralized mortgage obligations - residential			862				—				(12	)			850
		$	361,290			$	138			$	(898	)		$	360,530
December 31, 2023
Municipal securities		$	930			$	12			$	(8	)		$	934
U.S. Treasury Bills and 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]

		December 31, 2024
		Amortized Cost				Fair Value
Due in one year or less		$	292,504			$	292,073
Due after one year through five years			64,975				64,696
			357,479				356,769
Mortgage-backed securities - residential			2,949				2,911
Collateralized mortgage obligations - residential			862				850
		$	361,290			$	360,530

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
December 31, 2024
U.S. Treasury Bills and Notes			—			$	—			$	—				73			$	48,609			$	(689	)			73			$	48,609			$	(689	)
U.S. government-sponsored agencies			10				79,872				(128	)			—				—				—				10				79,872				(128	)
Mortgage-backed securities - residential			—				—				—				7				1,364				(69	)			7				1,364				(69	)
Collateralized mortgage obligations - residential			—				—				—				5				850				(12	)			5				850				(12	)
			10			$	79,872			$	(128	)			85			$	50,823			$	(770	)			95			$	130,695			$	(898	)
December 31, 2023
Municipal securities			—			$	—			$	—				1			$	217			$	(8	)			1			$	217			$	(8	)
U.S. Treasury Bills and 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]

		For the years ended December 31,
		2024				2023
Proceeds		$	—			$	42,631
Gross gains			—				—
Gross losses			—				(454	)

X

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