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Computation of Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2017
Computation of Earnings Per Share [Abstract]  
Basic and diluted earnings per share
Basic and diluted earnings per share are calculated as follows:

  
For the Six Months
Ended June 30,
  
For the Three Months
Ended June 30,
 
  
2017
  
2016
  
2017
  
2016
 
Net income
 
$
997,200
  
$
732,300
  
$
355,700
  
$
298,600
 
Weighted average shares outstanding for the period
  
1,482,997
   
1,566,699
   
1,416,699
   
1,566,699
 
Basic earnings per share
 
$
0.67
  
$
0.47
  
$
0.25
  
$
0.19
 
Diluted earnings per share
 
$
0.67
  
$
0.47
  
$
0.25
  
$
0.19