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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2016
Commitments and Contingencies Disclosure [Abstract]  
Schedule of outstanding loan commitments, unused lines of credit and letters of credit
    2016     2015     2014  
Loan commitments:                        
  Construction and land development   $ -     $ -     $ -  
  Other mortgage loans     3,066,000       970,000       1,666,000  
                         
    $ 3,066,000     $ 970,000     $ 1,666,000  
Unused lines of credit:                        
  Home-equity lines   $ 2,991,126     $ 2,558,091     $ 3,825,462  
  Commercial lines     18,474,238       17,195,796       15,156,201  
  Secured consumer line     -       27,500       50,000  
  Unsecured consumer lines     633,351       634,122       674,429  
                         
    $ 22,098,715     $ 20,415,509     $ 19,706,092  
                         
Letters of credit:   $ 47,580     $ 47,580     $ 57,580