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Note 5 - Other Real Estate Owned (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Other Real Estate Assets Acquired in Foreclosure Roll Forward [Table Text Block]
   
June 30
, 2017
  
   
Bank
    
ALC
    
Total
  
   
(Dollars in Thousands)
  
Beginning balance
   $
4,353
     $
505
     $
4,858
  
Transfers from loans
    
—
      
68
      
68
  
Sales proceeds
    
(369
)
    
(125
)
    
(494
)
                         
Gross gains
    
14
      
—
      
14
  
Gross losses
    
(1
)
    
(48
)
    
(49
)
Net gains (losses)
    
13
 
    
(48
)
    
(35
)
Impairment
    
(46
)
    
—
 
    
(46
)
Ending balance
   $
3,951
     $
400
     $
4,351
  
   
June 30
, 2016
  
   
Bank
    
ALC
    
Total
  
   
(Dollars in Thousands)
  
Beginning balance
   $
5,327
     $
711
     $
6,038
  
Transfers from loans
    
269
      
68
      
337
  
Sales proceeds
    
(629
)
    
(251
)
    
(880
)
                         
Gross gains
    
—
      
27
      
27
  
Gross losses
    
(23
)
    
(71
)
    
(94
)
Net gains (losses)
    
(23
)
    
(44
)
    
(67
)
Impairment
    
—
      
(23
)
    
(23
)
Ending balance
   $
4,944
     $
461
     $
5,405