Note 20 - Capital Ratios and Regulatory Minimum Requirements (Details) $ in Thousands	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Consolidated Entities [Member]
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Capital	$ 151,501	$ 139,705
Tier 1 capital	140,226	128,788
Common equity tier 1 capital	140,226	128,788
Tier 1 leverage capital	$ 140,226	$ 128,788
Capital to risk-weighted assets	0.1360	0.1395
Tier 1 capital to risk-weighted assets	0.1259	0.1286
Common equity tier 1 capital to risk-weighted assets	12.59%	12.86%
Tier 1 leverage capital to average assets	0.0839	0.0907
Capital required for capital adequacy	$ 89,111	$ 80,125
Tier 1 capital required for capital adequacy	66,833	60,094
Common equity tier 1 capital required for capital adequacy	50,125	45,070
Tier 1 leverage capital required for capital adequacy	$ 66,890	$ 56,776
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	$ 111,389	$ 100,156
Tier 1 capital required to be well capitalized	$ 66,833	$ 60,094
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	$ 138,419	$ 126,687
Tier 1 capital	127,144	115,770
Common equity tier 1 capital	127,144	115,770
Tier 1 leverage capital	$ 127,144	$ 115,770
Capital to risk-weighted assets	0.1285	0.1315
Tier 1 capital to risk-weighted assets	0.1181	0.1202
Common equity tier 1 capital to risk-weighted assets	11.81%	12.02%
Tier 1 leverage capital to average assets	0.0767	0.0823
Capital required for capital adequacy	$ 86,162	$ 77,047
Tier 1 capital required for capital adequacy	64,621	57,785
Common equity tier 1 capital required for capital adequacy	48,466	43,339
Tier 1 leverage capital required for capital adequacy	$ 66,295	$ 56,286
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	$ 107,702	$ 96,308
Tier 1 capital required to be well capitalized	86,162	77,047
Common equity tier 1 capital required to be well capitalized	70,006	62,600
Tier 1 leverage capital required to be well capitalized	$ 82,868	$ 70,357
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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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826

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