Note 6 - Other Real Estate Owned (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Other Real Estate, Roll Forward [Table Text Block]
 
 
December 31,
 
(dollars in thousands)
 
2016
 
 
2015
 
Balance January 1
  $
2,638
     $
1,147
  
Additions
   
355
      
2,673
  
Impairments
    
(94
)
    
(89
)
Sales
   
(1,882
)
    
(1,093
)
Balance December 31
  $
1,017
     $
2,638