Note 2 - Debt Securities - Schedule of Available for Sale Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Available-for-sale, amortized cost	$ 212,366	$ 218,488
Available-for-sale, gross unrealized gains	68	415
Available-for-sale, gross unrealized losses	(1,851)	(743)
Total securities available-for-sale	210,583	218,160
US Government Agencies Debt Securities [Member]
Available-for-sale, amortized cost	425	478
Available-for-sale, gross unrealized gains	0	0
Available-for-sale, gross unrealized losses	(19)	(20)
Total securities available-for-sale	406	458
Commercial Mortgage-Backed Securities [Member]
Available-for-sale, amortized cost	5,448	5,454
Available-for-sale, gross unrealized gains	0	3
Available-for-sale, gross unrealized losses	(46)	(27)
Total securities available-for-sale	5,402	5,430
Residential Mortgage-Backed Securities [Member]
Available-for-sale, amortized cost	201,783	207,847
Available-for-sale, gross unrealized gains	18	340
Available-for-sale, gross unrealized losses	(1,669)	(635)
Total securities available-for-sale	200,132	207,552
US States and Political Subdivisions Debt Securities [Member]
Available-for-sale, amortized cost	4,710	4,709
Available-for-sale, gross unrealized gains	50	72
Available-for-sale, gross unrealized losses	(117)	(61)
Total securities available-for-sale	$ 4,643	$ 4,720

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).

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

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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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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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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/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(6))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 30
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479130/326-30-45-1

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