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Note 2 - Debt Securities - Securities Available-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Securities available for sale, amortized cost	$ 144,810	$ 184,687
Securities available for sale, unrealized gains	174	12
Securities available for sale, unrealized losses	(12,449)	(14,850)
Securities available for sale, fair value	132,535	169,849	[1]
US Treasury Securities [Member]
Securities available for sale, amortized cost	10,915	55,760
Securities available for sale, unrealized gains	0	10
Securities available for sale, unrealized losses	(3)	(1)
Securities available for sale, fair value	10,912	55,769
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale, amortized cost	11,916	13,949
Securities available for sale, unrealized gains	2	2
Securities available for sale, unrealized losses	(61)	(114)
Securities available for sale, fair value	11,857	13,837
Corporate Debt Securities [Member]
Securities available for sale, amortized cost	27,615	28,598
Securities available for sale, unrealized gains	0	0
Securities available for sale, unrealized losses	(598)	(1,056)
Securities available for sale, fair value	27,017	27,542
Mortgage-backed Agency Securities [Member]
Securities available for sale, amortized cost	94,364	86,380
Securities available for sale, unrealized gains	172	0
Securities available for sale, unrealized losses	(11,787)	(13,679)
Securities available for sale, fair value	$ 82,749	$ 72,701
[1] Derived from audited financial statements

X

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

+ Details

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Period Type:	instant

X

- Definition

Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481800/320-10-50-2

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X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

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X

- Definition

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

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Namespace Prefix:
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X

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