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Note 7 - Capital Requirements - Comparison of Capital of Company and Bank with Minimum Regulatory Guidelines (Details) $ in Thousands | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
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Total Capital (to Risk-Weighted Assets), actual amount | $ 95,856 | $ 91,243
Total Capital (to Risk-Weighted Assets), actual ratio | 0.1625 | 0.1582
Total Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 47,189 | $ 46,129
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 | $ 58,986 | $ 57,661
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 | $ 90,391 | $ 84,032
Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.1532 | 0.1457
Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 35,391 | $ 34,597
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 | $ 47,189 | $ 46,129
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 | $ 90,391 | $ 84,032
Common Equity Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.1532 | 0.1457
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 26,544 | $ 25,948
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 | $ 38,341 | $ 37,480
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 | $ 90,391 | $ 84,032
Tier 1 Capital (to Average Assets), actual ratio | 0.0878 | 0.0880
Tier 1 Capital (to Average Assets), minimum capital requirement amount | $ 41,193 | $ 38,187
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 | $ 51,492 | $ 47,733
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 http://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 http://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 http://asc.fasb.org/extlink&oid=117337116&loc=SL5958570-112826 + Details
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