Note 7 - Federal Home Loan Bank Advances and Borrowings (Tables)
 12 Months Ended
Dec. 31, 2016
Notes Tables  
Schedule of Federal Home Loan Bank, Advances, by Branch of FHLB Bank [Table Text Block]
                   
Call or
  
Advance
  
Interest Basis
  
Current Rate
  
Maturity
  
Conversion Date
  
$ 2,000  
Fixed
    
4.06%
  
February 1, 2019
    
N/A
  
  5,000  
Fixed
    
3.96%
  
July 2, 2018
    
N/A
  
$ 7,000                      
                   
Call or
  
Advance
  
Interest Basis
  
Current Rate
  
Maturity
  
Conversion Date
  
$ 2,000  
Fixed
    
4.06%
  
February 1, 2019
    
N/A
  
  15,000  
Fixed
    
1.04%
  
January 26, 2016
    
N/A
  
  5,000  
Fixed
    
3.96%
  
July 2, 2018
    
N/A
  
$ 22,000