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Note 5 - Other Real Estate Owned (Tables)
 3 Months Ended
Mar. 31, 2017
Notes Tables  
Other Real Estate Assets Acquired in Foreclosure Roll Forward [Table Text Block]
   
March 31
, 2017
  
   
Bank
    
ALC
    
Total
  
   
(Dollars in Thousands)
  
Beginning balance
   $
4,353
     $
505
     $
4,858
  
Transfers from loans
    
—
      
20
      
20
  
Sales proceeds
    
(204
)
    
(84
)
    
(288
)
                         
Gross gains
    
13
      
—
      
13
  
Gross losses
    
(1
)
    
(15
)
    
(16
)
Net gains (losses)
    
12
 
    
(15
)
    
(3
)
Impairment
    
—
 
    
—
 
    
—
 
Ending balance
   $
4,161
     $
426
     $
4,587
  
   
March 31
, 2016
  
   
Bank
    
ALC
    
Total
  
   
(Dollars in Thousands)
  
Beginning balance
   $
5,327
     $
711
     $
6,038
  
Transfers from loans
    
—
      
18
      
18
  
Sales proceeds
    
(609
)
    
(77
)
    
(686
)
                         
Gross gains
    
—
      
25
      
25
  
Gross losses
    
(16
)
    
—
 
    
(16
)
Net gains (losses)
    
(16
)
    
25
 
    
9
 
Impairment
    
—
      
(23
)
    
(23
)
Ending balance
   $
4,702
     $
654
     $
5,356