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Note 15 - Commitments, Contingencies and Concentrations of Credit Risk (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
  

2020

  

2019

 
         

Commitments to extend credit

 $222,660  $207,168 

Standby letters of credit

  7,168   7,633 

Total commitments

 $229,828  $214,801