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Computation of Earnings Per Share (Tables)
 6 Months Ended
Jun. 30, 2015
Computation of Earnings Per Share [Abstract]  
Computation of 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,
 
  
2015
  
2014
  
2015
  
2014
 
Net income/(loss)
 
$
2,107,500
  
$
(3,550,800
)
 
$
1,355,300
  
$
(3,920,400
)
Weighted average shares outstanding for the period
  
1,543,257
   
1,543,257
   
1,543,257
   
1,543,257
 
Dilutive effect of warrants
  
10,647
   
-
   
11,751
   
-
 
Weighted average diluted shares used in calculation
   of diluted earnings/(loss) per share
  
1,553,904
   
1,543,257
   
1,555,008
   
1,543,257
 
Basic earnings/(loss) per share
 
$
1.37
  
$
(2.30
)
 
$
0.88
  
$
(2.54
)
Diluted earnings/(loss) per share
 
$
1.36
  
$
(2.30
)
 
$
0.87
  
$
(2.54
)