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Note 21 - Regulatory Matters - Comparison of Capital of Company and Bank with Minimum Regulatory Guidelines (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Total Capital (to Risk-Weighted Assets), actual amount | $ 181,449 | $ 142,334
Total Capital (to Risk-Weighted Assets), actual ratio | 0.1234 | 0.1405
Total Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 117,580 | $ 81,027
Total Capital (to Risk-Weighted Assets), minimum capital requirement ratio | 0.08 | 0.08
Total Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 146,975 | $ 101,284
Total Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.10 | 0.10
Tier 1 Capital (to Risk-Weighted Assets), actual amount | $ 164,454 | $ 129,840
Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.1119 | 0.1282
Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 88,185 | $ 60,771
Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement ratio | 0.06 | 0.06
Tier 1 Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 117,580 | $ 81,027
Tier 1 Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.08 | 0.08
Common Equity Tier 1 Capital (to Risk-Weighted Assets), actual amount | $ 164,454 | $ 129,840
Common Equity Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.1119 | 0.1282
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 66,139 | $ 45,578
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 | $ 95,534 | $ 65,835
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 | $ 164,454 | $ 129,840
Tier 1 Capital (to Average Assets), actual ratio | 0.0795 | 0.0931
Tier 1 Capital (to Average Assets), minimum capital requirement amount | $ 82,719 | $ 55,797
Tier 1 Capital (to Average Assets), minimum capital requirement ratio | 0.04 | 0.04
Tier 1 Capital (to Average Assets), minimum to be well capitalized under prompt corrective action provisions, amount | $ 103,398 | $ 69,746
Tier 1 Capital (to Average Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.05 | 0.05

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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 -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 + 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 -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 -SubTopic 505 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147477270/942-505-50-1B + Details
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