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Note 7 - Capital Requirements (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]
  

Actual

  Minimum Capital Requirement  Minimum To Be Well Capitalized Under Prompt Corrective Action Provisions 
  

Amount

  

Ratio

  

Amount

  

Ratio

  

Amount

  

Ratio

 

March 31, 2022

                        

Total Capital (to Risk-Weighted Assets)

 $128,567   14.44% $71,210   8.00% $89,013   10.00%

Tier 1 Capital (to Risk-Weighted Assets)

 $122,739   13.79% $53,408   6.00% $71,210   8.00%

Common Equity Tier 1 Capital (to Risk-Weighted Assets)

 $122,739   13.79% $40,056   4.50% $57,858   6.50%

Tier 1 Capital (to Average Assets)

 $122,739   8.61% $57,031   4.00% $71,289   5.00%

December 31, 2021

                        

Total Capital (to Risk-Weighted Assets)

 $125,934   14.76% $68,237   8.00% $85,296   10.00%

Tier 1 Capital (to Risk-Weighted Assets)

 $120,224   14.09% $51,178   6.00% $68,237   8.00%

Common Equity Tier 1 Capital (to Risk-Weighted Assets)

 $120,224   14.09% $38,383   4.50% $55,442   6.50%

Tier 1 Capital (to Average Assets)

 $120,224   8.82% $54,497   4.00% $68,121   5.00%