Note 6 - Bank Premises and Equipment (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Property Plant and Equipment Components [Table Text Block]
 
 
December 31,
 
(in thousands)
 
2016
 
 
2015
 
Land
   $
2,757
    $
2,731
 
Buildings and improvements
    
7,676
     
7,406
 
Furniture, fixtures and equipment
    
12,299
     
12,674
 
Leasehold improvements
    
5,184
     
5,007
 
Total
    
27,916
     
27,818
 
Accumulated depreciation
    
(17,132
 )    
(16,625
 )
Net
   $
10,784
    $
11,193