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Note 6 - Other Real Estate Owned and Repossessions (Tables)
 6 Months Ended
Jun. 30, 2019
Notes Tables  
Other Real Estate Assets Acquired in Foreclosure Roll Forward [Table Text Block]
   
June 30
, 2019
  
   
Bank
    
ALC
    
Total
  
   
(Dollars in Thousands)
  
Beginning balance
   $
1,401
     $
104
     $
1,505
  
Additions
(1)
    
224
      
38
      
262
  
Sales proceeds
    
(404
)
    
(79
)
    
(483
)
                         
Gross gains
    
37
      
2
      
39
  
Gross losses
    
—
      
(27
)
    
(27
)
Net gains (losses)
    
37
      
(25
)
    
12
  
Impairment
    
—
 
    
(38
)
    
(38
)
Ending balance
   $
1,258
     $
—
     $
1,258
  
   
June 30
, 2018
  
   
Bank
    
ALC
    
Total
  
   
(Dollars in Thousands)
  
Beginning balance
   $
3,527
     $
265
     $
3,792
  
Additions
(1)
    
106
      
25
      
131
  
Sales proceeds
    
(1,598
)
    
(43
)
    
(1,641
)
                         
Gross gains
    
121
      
—
      
121
  
Gross losses
    
(45
)
    
(54
)
    
(99
)
Net gains (losses)
    
76
      
(54
)
    
22
  
Impairment
    
(109
)
    
(14
)
    
(123
)
Ending balance
   $
2,002
     $
179
     $
2,181