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Earnings Per Share (Tables)
12 Months Ended
Dec. 31, 2016
Earnings Per Share [Abstract]  
Earnings Per Share

   2016  2015
Numerator:          
   Net income  $5,850,998   $4,793,525 
Denominator:          
   Denominator for basic earnings per share:          
      Weighted average shares outstanding   3,327,867    3,334,790 
   Effect of dilutive employee stock options   249,956    352,546 
   Denominator for dilutive earnings per share   3,577,823    3,687,336 
   Basic earnings per share  $1.76   $1.44 
   Dilutive earnings per share  $1.64   $1.30