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Note 18 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
(dollars in thousands)
 
2019
   
2018
 
                 
Commitments to extend credit
  $
95,190
    $
76,977
 
Standby letters of credit
   
1,313
     
1,227
 
    $
96,503
    $
78,204