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Short-term Borrowings (Tables)
12 Months Ended
Dec. 31, 2014
Short-Term Debt [Abstract]  
Schedule of short-term borrowings
   
2014
   
2013
   
2012
 
                   
Notes payable - U.S. Treasury
  $ -     $ -     $ 254,749  
    $  -     -     254,749