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Note 16 - Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2019
Notes Tables  
Commitments to Extend Credit [Table Text Block]
(In thousands)
   2019   2018
         
Loan commitments:                
Fixed rate   $
3,250
     $
4,946
  
Adjustable rate    
10,996
      
930
  
                 
Standby letters of credit    
473
      
1,295
  
Unused lines of credit on credit cards    
6,915
      
6,641
  
Undisbursed commercial and personal lines of credit    
26,800
      
26,862
  
Undisbursed portion of construction loans in process    
23,081
      
26,675
  
Undisbursed portion of home equity lines of credit    
50,010
      
47,079
  
                 
    $
121,525
     $
114,428