Note 11 - Other Borrowed Money (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Long-term Debt Instruments [Table Text Block]
 
 
201
6
 
  
2015
  
                 
Federal Home Loan Bank Advances
 
$
46,000,000
 
   $
40,000,000
  
Schedule of Maturities of Long-term Debt [Table Text Block]
Year
 
Amount
 
         
2018
   $
2,500,000
 
2019
    
5,000,000
  
2020
    
2,500,000
  
2021
    
-
  
2022 and Thereafter
    
36,000,000
  
         
    $
46,000,000