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Note 3 - Securities (Tables)

9 Months Ended

Sep. 30, 2022

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
September 30, 2022
Certificates of deposit		$	1,488			$	—			$	—			$	1,488
Municipal securities			400				—				(17	)			383
U.S. Treasury Notes			170,550				—				(8,285	)			162,265
U.S. government-sponsored agencies			30,000				—				(250	)			29,750
Mortgage-backed securities - residential			4,246				37				(102	)			4,181
Collateralized mortgage obligations - residential			1,287				—				(15	)			1,272
		$	207,971			$	37			$	(8,669	)		$	199,339
December 31, 2021
Certificates of deposit		$	2,728			$	—			$	—			$	2,728
U.S. Treasury Notes			76,621				8				(76	)			76,553
Mortgage-backed securities - residential			4,660				173				—				4,833
Collateralized mortgage obligations - residential			1,576				4				—				1,580
		$	85,585			$	185			$	(76	)		$	85,694

Investments Classified by Contractual Maturity Date [Table Text Block]

		September 30, 2022
		Amortized Cost				Fair Value
Due in one year or less		$	31,282			$	30,943
Due after one year through five years			171,156				162,943
			202,438				193,886
Mortgage-backed securities - residential			4,246				4,181
Collateralized mortgage obligations - residential			1,287				1,272
		$	207,971			$	199,339

Schedule of Unrealized Loss on Investments [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
September 30, 2022
Municipal securities			2			$	383			$	(17	)			—			$	—			$	—				2			$	383			$	(17	)
U.S. Treasury Notes			200				162,265				(8,285	)			—				—				—				200				162,265				(8,285	)
U.S. government-sponsored agencies			6				26,750				(250	)			—				—				—				6				26,750				(250	)
Mortgage-backed securities - residential			18				3,223				(102	)			—				—				—				18				3,223				(102	)
Collateralized mortgage obligations - residential			5				1,065				(11	)			1				182				(4	)			6				1,247				(15	)
			231			$	193,686			$	(8,665	)			1			$	182			$	(4	)			232			$	193,868			$	(8,669	)
December 31, 2021
U.S. Treasury Notes			53			$	62,246			$	(76	)			—			$	—			$	—				53			$	62,246			$	(76	)

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 6
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