Note 3 - Investment Securities (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Marketable Securities [Table Text Block]

(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair		Allowance for		Net Carrying
September 30, 2025	cost (1)		gains		losses		value		Credit Losses		Amount
Available for sale
State and municipal	$	455	$	-	$	3	$	452	$	-	$	452
SBA pools		542		1		4		539		-		539
Corporate bonds		7,047		-		719		6,328		-		6,328
Mortgage-backed securities		131,068		162		17,411		113,819		-		113,819
	$	139,112	$	163	$	18,137	$	121,138	$	-	$	121,138
Held to maturity
State and municipal	$	21,207	$	-	$	956	$	20,251	$	79	$	21,128

(dollars in thousands)	Amortized		Unrealized		Unrealized		Fair		Allowance for		Net Carrying
December 31, 2024	cost (1)		gains		losses		value		Credit Losses		Amount
Available for sale
State and municipal	$	500	$	-	$	13	$	487	$	-	$	487
SBA pools		634		1		6		629		-		629
Corporate bonds		8,054		-		869		7,185		-		7,185
Mortgage-backed securities		139,853		13		22,454		117,412		-		117,412
	$	149,041	$	14	$	23,342	$	125,713	$	-	$	125,713
Held to maturity
State and municipal	$	20,559	$	1	$	1,628	$	18,932	$	60	$	20,499

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

(dollars in thousands)	September 30, 2025		December 31, 2024
AAA	$	2,816	$	2,803
AA		12,443		12,603
A		1,202		1,811
Not rated		4,746		3,342
Total	$	21,207	$	20,559

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

	Three Months			Nine Months		Three Months			Nine Months
	Ended			Ended		Ended			Ended
(dollars in thousands)	September 30, 2025			September 30, 2025		September 30, 2024			September 30, 2024
Beginning balance	$	81		$	60	$	127		$	36
Credit loss provision		(2	)		19		(90	)		1
Ending balance	$	79		$	79	$	37		$	37

Investments Classified by Contractual Maturity Date [Table Text Block]

	Available for Sale				Held to Maturity
(dollars in thousands)	Amortized		Fair		Amortized		Fair
September 30, 2025	cost (1)		value		cost		value
Within one year	$	250	$	250	$	181	$	181
Over one to five years		752		707		1,577		1,595
Over five to ten years		6,500		5,822		8,104		7,883
Over ten years		-		-		11,345		10,592
		7,502		6,779		21,207		20,251
Mortgage-backed securities and SBA pools, due in monthly installments		131,610		114,359		-		-
	$	139,112	$	121,138	$	21,207	$	20,251

Gain (Loss) on Securities [Table Text Block]

(dollars in thousands)
September 30, 2025	Less than 12 months				12 months or more				Total
Description of investments	Fair Value		Unrealized Loss		Fair Value		Unrealized Loss		Fair Value		Unrealized Loss
State and municipal	$	-	$	-	$	452	$	3	$	452	$	3
SBA pools		148		-		326		4		474		4
Corporate bonds		-		-		6,327		719		6,327		719
Mortgage-backed securities		9,059		89		89,099		17,322		98,158		17,411
Total	$	9,207	$	89	$	96,204	$	18,048	$	105,411	$	18,137

(dollars in thousands)
December 31, 2024	Less than 12 months				12 months or more				Total
			Unrealized				Unrealized				Unrealized
Description of investments	Fair value		losses		Fair value		losses		Fair value		losses
State and municipal	$	-	$	-	$	487	$	13	$	487	$	13
SBA pools		162		-		372		6		534		6
Corporate bonds		-		-		7,185		869		7,185		869
Mortgage-backed securities		22,141		552		91,991		21,902		114,132		22,454
Total	$	22,303	$	552	$	100,035	$	22,790	$	122,338	$	23,342