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Note 6 - Premises and Equipment (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
December
31,
  
   
20
16
    
20
15
  
Premises
  
$
12,554
     $
13,097
  
Furniture and equipment
  
 
5,052
      
6,600
  
Premises and equipment
  
$
17,606
     $
19,697
  
Accumulated depreciation
  
 
(8,753
)
    
(10,677
)
Premises and equipment, net
  
$
8,853
     $
9,020