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Note 3 - Loans - Summary of Loan Classes and an Aging of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Loans	$ 1,443,022	$ 1,466,595	$ 989,976
Non-accrual loans	6,796	6,971
Accruing loans past due 90 days or more amounted	0	365
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	3,520	2,436
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	1,022	650
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	3,332	365
Financial Asset, Past Due [Member]
Loans	7,874	3,451
Financial Asset, Not Past Due [Member]
Loans	1,435,148	1,463,144
Real Estate 1 [Member] | Construction and Land Development [Member]
Loans	78,169	84,480	60,919
Non-accrual loans	48	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	200	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	48	23
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Past Due [Member]
Loans	248	105
Real Estate 1 [Member] | Construction and Land Development [Member] | Financial Asset, Not Past Due [Member]
Loans	77,921	84,375
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]
Loans	544,162	547,167	346,977
Non-accrual loans	2,218	2,148
Accruing loans past due 90 days or more amounted	0	54
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	1,599	2,192
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	860	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	908	54
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Past Due [Member]
Loans	3,367	2,456
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Financial Asset, Not Past Due [Member]
Loans	540,795	544,711
Real Estate 1 [Member] | Other Real Estate Loans [Member]
Loans	680,063	672,162	449,768
Non-accrual loans	932	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	0	12
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	1	41
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	932	0
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Past Due [Member]
Loans	933	53
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	679,130	672,109
Commercial and Industrial Loans [Member]
Loans	120,700	141,333	116,299
Non-accrual loans	3,597	4,773
Accruing loans past due 90 days or more amounted	0	288
Commercial and Industrial Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loans	1,684	145
Commercial and Industrial Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loans	150	373
Commercial and Industrial Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,444	288
Commercial and Industrial Loans [Member] | Financial Asset, Past Due [Member]
Loans	3,278	806
Commercial and Industrial Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	117,422	140,527
Consumer and Other Loans [Member]
Loans	19,928	21,453	$ 16,013
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	37	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	48	31
Consumer and Other Loans [Member] | Financial Asset, Not Past Due [Member]
Loans	$ 19,880	$ 21,422

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+ References

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