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Note 3 - Loans - Summary of Loan Classes and an Aging of Past Due Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Loans	$ 1,433,197	$ 1,466,595	$ 994,720
Non-accrual loans	5,702	6,971
Accruing loans past due 90 days or more amounted	388	365
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	2,589	2,436
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	990	650
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	388	365
Financial Asset, Past Due [Member]
Loans	3,967	3,451
Financial Asset, Not Past Due [Member]
Loans	1,429,230	1,463,144
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	78,470	84,480	61,446
Non-accrual loans	46	50
Accruing loans past due 90 days or more amounted	0	23
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	9	56
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	26
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	23
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Past Due [Member]
Loans	9	105
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Not Past Due [Member]
Loans	78,461	84,375
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	533,458	547,167	351,004
Non-accrual loans	2,107	2,148
Accruing loans past due 90 days or more amounted	245	54
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	1,698	2,192
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	737	210
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	245	54
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Past Due [Member]
Loans	2,680	2,456
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Not Past Due [Member]
Loans	530,778	544,711
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	684,535	672,162	449,746
Non-accrual loans	921	0
Accruing loans past due 90 days or more amounted	0	0
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	126	12
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	41
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Past Due [Member]
Loans	126	53
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	684,409	672,109
Commercial and Industrial Loans [Member]
Loans	117,412	141,333	114,823
Non-accrual loans	2,627	4,773
Accruing loans past due 90 days or more amounted	143	288
Commercial and Industrial Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	704	145
Commercial and Industrial Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	242	373
Commercial and Industrial Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	143	288
Commercial and Industrial Loans [Member] | Financial Asset, Past Due [Member]
Loans	1,089	806
Commercial and Industrial Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	116,323	140,527
Consumer and Other Loans [Member]
Loans	19,322	21,453	$ 17,701
Non-accrual loans	1	0
Accruing loans past due 90 days or more amounted	0	0
Consumer and Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	52	31
Consumer and Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	11	0
Consumer and Other Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Consumer and Other Loans [Member] | Financial Asset, Past Due [Member]
Loans	63	31
Consumer and Other Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	$ 19,259	$ 21,422

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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