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Note 24 - Supplemental Disclosure of Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2019
Notes Tables  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
    Years Ended December 31,
(In thousands)   2019   2018   2017
             
Cash payments for:                        
Interest   $
1,900
     $
1,570
     $
1,466
  
Income taxes (net of refunds received)    
1,367
      
1,611
      
3,010
  
                         
Noncash investing activities:                        
Transfers from loans to foreclosed real estate   $
311
     $
142
     $
555
  
Proceeds from sales of foreclosed real estate financed through loans    
-
      
-
      
15