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Note 2 - Securities Available for Sale (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

Debt Securities, Available-for-Sale [Table Text Block]

March 31, 2024			U.S. Treasury Notes				U.S. government agency obligations				Municipal obligations				Mortgage-backed residential obligations				Collateralized mortgage obligations				Total available-for-sale
		(Dollars in thousands)
1 year or less		$	2,992			$	992			$	1,297			$	—			$	—			$	5,281
1 to 5 years			—				3,629				1,447				9,053				12,151				26,280
5 to 10 years			—				4,182				1,266				18,492				9,629				33,569
After 10 years			—				—				9,377				1,421				3,871				14,669
Fair value			2,992				8,803				13,387				28,966				25,651				79,799
Gross unrealized gains			—				—				—				—				—				—
Gross unrealized losses			(8	)			(1,193	)			(2,051	)			(4,876	)			(4,144	)			(12,272	)
Amortized cost		$	3,000			$	9,996			$	15,438			$	33,842			$	29,795			$	92,071

December 31, 2023			U.S. Treasury Notes				U.S. government agency obligations				Municipal obligations				Mortgage-backed residential obligations				Collateralized mortgage obligations				Total available-for-sale
		(Dollars in thousands)
1 year or less		$	2,973			$	—			$	1,292			$	—			$	—			$	4,265
1 to 5 years			—				4,769				1,461				8,976				12,919				28,125
5 to 10 years			—				4,337				882				19,777				9,756				34,752
After 10 years			—				—				9,935				1,598				3,460				14,993
Fair value			2,973				9,106				13,570				30,351				26,135				82,135
Gross unrealized gains			—				—				1				—				—				1
Gross unrealized losses			(22	)			(1,128	)			(1,882	)			(4,533	)			(3,938	)			(11,503	)
Amortized cost		$	2,995			$	10,234			$	15,451			$	34,884			$	30,073			$	93,637

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

		Less than 12 Months								12 Months or Longer								Total
		(Dollars in thousands)
		Fair				Unrealized				Fair				Unrealized				Fair				Unrealized
		Value				Losses				Value				Losses				Value				Losses
March 31, 2024
U.S. Treasury Notes		$	—			$	—			$	1,492			$	8			$	1,492			$	8
U.S. government agency obligations			—				—				8,803				1,193				8,803				1,193
Municipal obligations			565				9				12,352				2,042				12,917				2,051
Mortgage-backed residential obligations			—				—				28,966				4,876				28,966				4,876
Collateralized mortgage obligations			—				—				25,651				4,144				25,651				4,144
Total		$	565			$	9			$	77,264			$	12,263			$	77,829			$	12,272
December 31, 2023
U.S. Treasury Notes		$	—			$	—			$	2,973			$	22			$	2,973			$	22
U.S. government agency obligations			—				—				9,106				1,128				9,106				1,128
Municipal obligations			279				1				12,796				1,881				13,075				1,882
Mortgage-backed residential obligations			—				—				30,351				4,533				30,351				4,533
Collateralized mortgage obligations			—				—				26,135				3,938				26,135				3,938
Total		$	279			$	1			$	81,361			$	11,502			$	81,640			$	11,503

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