Note 1 - Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Estimated Useful Lives and Methods of Depreciation [Table Text Block]
Description
 
Life
in
Years
 
Method
               
Banking Premises
    
15
-
40
  
Straight-Line and Accelerated
Furniture and Equipment
    
5
-
10
  
Straight-Line and Accelerated