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Note 7 - Regulatory Matters - Comparison of Capital of Company and Bank with Minimum Regulatory Guidelines (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
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Total Capital (to Risk-Weighted Assets), actual amount | $ 94,044 | $ 91,243
Total Capital (to Risk-Weighted Assets), actual ratio | 0.1605 | 0.1582
Total Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 46,883 | $ 46,129
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 | $ 58,604 | $ 57,661
Total Capital (to Risk-Weighted Assets), minimum to be well capitalized under prompt corrective action provisions, ratio | 0.1 | 0.1
Tier 1 Capital (to Risk-Weighted Assets), actual amount | $ 86,717 | $ 84,032
Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.148 | 0.1457
Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 35,162 | $ 34,597
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 | $ 46,883 | $ 46,129
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 | $ 86,717 | $ 84,032
Common Equity Tier 1 Capital (to Risk-Weighted Assets), actual ratio | 0.148 | 0.1457
Common Equity Tier 1 Capital (to Risk-Weighted Assets), minimum capital requirement amount | $ 26,372 | $ 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 | $ 38,093 | $ 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 | $ 86,717 | $ 84,032
Tier 1 Capital (to Average Assets), actual ratio | 0.0878 | 0.088
Tier 1 Capital (to Average Assets), minimum capital requirement amount | $ 39,502 | $ 38,187
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 | $ 49,377 | $ 47,733
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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