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Note 17 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
(Dollars In Thousands)
 
2018
   
2017
 
                 
Commitments to extend credit
  $
123,995
    $
109,285
 
                 
Standby letters of credit
   
7,543
     
6,711