Note 11 - Capital Ratios and Regulatory Minimum Requirements (Details) $ in Thousands	Jun. 30, 2024 USD ($)	Dec. 31, 2023 USD ($)
The Company [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital	$ 170,668	$ 167,711
Tier 1 capital	161,715	158,753
Common equity tier 1 capital	161,715	158,753
Tier 1 leverage capital	$ 161,715	$ 158,753
Capital to risk-weighted assets	0.1260	0.1309
Tier 1 capital to risk-weighted assets	0.1194	0.1239
Common equity tier 1 capital to risk-weighted assets	11.94%	12.39%
Tier 1 leverage capital to average assets	0.0899	0.0892
Capital required for capital adequacy	$ 108,377	$ 102,513
Tier 1 capital required for capital adequacy	81,283	76,885
Common equity tier 1 capital required for capital adequacy	60,962	57,664
Tier 1 leverage capital required for capital adequacy	$ 71,921	$ 71,185
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	$ 135,471	$ 128,142
Tier 1 capital required to be well capitalized	$ 81,283	$ 76,885
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	$ 156,749	$ 154,062
Tier 1 capital	147,796	145,104
Common equity tier 1 capital	147,796	145,104
Tier 1 leverage capital	$ 147,796	$ 145,104
Capital to risk-weighted assets	0.1173	0.1220
Tier 1 capital to risk-weighted assets	0.1106	0.1149
Common equity tier 1 capital to risk-weighted assets	11.06%	11.49%
Tier 1 leverage capital to average assets	0.0828	0.0818
Capital required for capital adequacy	$ 106,899	$ 101,032
Tier 1 capital required for capital adequacy	80,174	75,774
Common equity tier 1 capital required for capital adequacy	60,131	56,830
Tier 1 leverage capital required for capital adequacy	$ 71,361	$ 70,961
Capital required for capital adequacy to risk-weighted assets	0.0800	0.0800
Tier 1 capital required for capital adequacy to risk-weighted assets	0.06	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	$ 133,624	$ 126,290
Tier 1 capital required to be well capitalized	106,899	101,032
Common equity tier 1 capital required to be well capitalized	86,855	82,088
Tier 1 leverage capital required to be well capitalized	$ 89,201	$ 88,701
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	0.08	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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The minimum common equity tier 1 capital (common equity divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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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//1943274/2147480696/942-505-50-1

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-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
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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480696/942-505-50-1B

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Amount of Tier 1 leverage capital as defined by regulatory framework.

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