Note 11 - Capital Ratios and Regulatory Minimum Requirements (Details) $ in Thousands	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
The Company [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital	$ 219,732	$ 214,826
Tier 1 capital	170,478	165,995
Common equity tier 1 capital	170,478	165,995
Tier 1 leverage capital	$ 170,478	$ 165,995
Capital to risk-weighted assets	0.1578	0.1556
Tier 1 capital to risk-weighted assets	0.1224	0.1202
Common equity tier 1 capital to risk-weighted assets	12.24%	12.02%
Tier 1 leverage capital to average assets	0.0876	0.0870
Capital required for capital adequacy	$ 111,397	$ 110,480
Tier 1 capital required for capital adequacy	83,548	82,860
Common equity tier 1 capital required for capital adequacy	62,661	62,145
Tier 1 leverage capital required for capital adequacy	$ 77,882	$ 76,357
Capital required for capital adequacy to risk-weighted assets	0.0800	0.0800
Tier 1 capital required for capital adequacy to risk-weighted assets	0.0600	0.0600
Common equity tier 1 capital required for capital adequacy to risk-weighted assets	4.50%	4.50%
Tier 1 leverage capital required for capital adequacy to average assets	0.04	0.0400
Capital required to be well capitalized	$ 139,246	$ 138,100
Tier 1 capital required to be well capitalized	$ 83,548	$ 82,860
Capital required to be well capitalized to risk-weighted assets	0.1000	0.1000
Tier 1 capital required to be well capitalized to risk-weighted assets	0.0600	0.0600
Bank [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital	$ 195,976	$ 192,057
Tier 1 capital	186,722	183,226
Common equity tier 1 capital	186,722	183,226
Tier 1 leverage capital	$ 186,722	$ 183,226
Capital to risk-weighted assets	0.1409	0.1392
Tier 1 capital to risk-weighted assets	0.1342	0.1328
Common equity tier 1 capital to risk-weighted assets	13.42%	13.28%
Tier 1 leverage capital to average assets	0.0970	0.0971
Capital required for capital adequacy	$ 111,294	$ 110,396
Tier 1 capital required for capital adequacy	83,471	82,797
Common equity tier 1 capital required for capital adequacy	62,603	62,098
Tier 1 leverage capital required for capital adequacy	$ 76,984	$ 75,483
Capital required for capital adequacy to risk-weighted assets	0.0800	0.0800
Tier 1 capital required for capital adequacy to risk-weighted assets	0.0600	0.0600
Common equity tier 1 capital required for capital adequacy to risk-weighted assets	4.50%	4.50%
Tier 1 leverage capital required for capital adequacy to average assets	0.0400	0.0400
Capital required to be well capitalized	$ 139,118	$ 137,995
Tier 1 capital required to be well capitalized	111,294	110,396
Common equity tier 1 capital required to be well capitalized	90,427	89,696
Tier 1 leverage capital required to be well capitalized	$ 96,230	$ 94,353
Capital required to be well capitalized to risk-weighted assets	0.1000	0.1000
Tier 1 capital required to be well capitalized to risk-weighted assets	0.0800	0.0800
Common equity tier 1 capital required to be well capitalized to risk-weighted assets	6.50%	6.50%
Tier 1 leverage capital required to be well capitalized to average assets	0.0500	0.0500

Common equity tier 1 capital as defined in the regulations.

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Amount of total capital as defined by regulatory framework.

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Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 505
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B

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-URI https://asc.fasb.org/1943274/2147477270/942-505-50-1

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