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Computation of Earnings Per Share
 6 Months Ended
Jun. 30, 2015
Computation of Earnings Per Share [Abstract]  
Computation of Earnings Per Share
7.  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
)

Basic earnings per common share is computed using net income and the weighted average number of common shares outstanding during the period.  Diluted earnings per common share are computed using net income and the weighted average number of common shares outstanding, assuming dilution.  Weighted average common shares outstanding, assuming dilution, include potentially dilutive common shares outstanding during the period. Potentially dilutive common shares include the assumed exercise of warrants using the treasury stock method.  For the three months and six months ended June 30, 2014, the dilutive effect of outstanding warrants was 39,393 and 39,589 potentially outstanding shares issuable upon the assumed exercise of all outstanding warrants.  However, the effect of these potentially outstanding shares was not included in the calculation of diluted loss per share for the applicable period because the effect would have been anti-dilutive.