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Note 20 - Regulatory Matters - Comparison of Capital of Company and Bank with Minimum Regulatory Guidelines (Details) $ in Thousands | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Total Capital (to Risk-Weighted Assets), actual amount | $ 139,549 | $ 125,934
Total Capital (to Risk-Weighted Assets), actual ratio | 0.1460 | 0.1476
Total Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 76,462 | $ 68,237
Total Capital (to Risk-Weighted Assets), minimum capital requirement ratio | 0.0800 | 0.0800
Total Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 95,578 | $ 85,296
Total Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.1000 | 0.1000
Tier 1 Capital (to Risk-Weighted Assets), actual amount | $ 132,103 | $ 120,224
Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.1382 | 0.1409
Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 57,347 | $ 51,178
Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement ratio | 0.0600 | 0.0600
Tier 1 Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 76,462 | $ 68,237
Tier 1 Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.0800 | 0.0800
Common Equity Tier 1 Capital (to Risk-Weighted Assets), actual amount | $ 132,103 | $ 120,224
Common Equity Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.1382 | 0.1409
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 43,010 | $ 38,383
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement ratio | 4.50% | 4.50%
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 62,126 | $ 55,442
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 6.50% | 6.50%
Tier 1 Capital (to Average Assets), actual amount | $ 132,103 | $ 120,224
Tier 1 Capital (to Average Assets), actual ratio | 0.0936 | 0.0882
Tier 1 Capital (to Average Assets), minimum capital requirement amount | $ 55,228 | $ 54,497
Tier 1 Capital (to Average Assets), minimum capital requirement ratio | 0.0400 | 0.0400
Tier 1 Capital (to Average Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 69,035 | $ 68,121
Tier 1 Capital (to Average Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.0500 | 0.0500

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- Definition The minimum Common Equity Tier One Capital Ratio (Common equity tier one capital divided by risk-weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The Common Equity Tier 1 capital ratio (Common equity tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition Amount of total capital as defined by regulatory framework. + References 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 https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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- Definition Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework. + References 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 https://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI https://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 + Details
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