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Earnings Per Share
 12 Months Ended
Dec. 31, 2013
Earnings Per Share [Abstract]  
Earnings Per Share
(15) Earnings Per Share
 
For the years ended December 31, 2013, 2012 and 2011, basic and diluted net income per share are calculated as follows:
 
 
 
 
 
 
Year Ended
 
 
 
 
 
 
December 31,
 
 
 
2013
 
 
2012
 
 
2011
 
Basic income per share
 
 
 
 
 
 
 
 
 
Net income for the year - numerator
 
$
13,014,648
 
 
$
14,672,663
 
 
$
21,648,664
 
Weighted average common stock outstanding - denominator
 
 
18,458,446
 
 
 
18,456,781
 
 
 
18,349,332
 
Net income per share
 
$
0.71
 
 
$
0.79
 
 
$
1.18
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Diluted income per share
 
 
 
 
 
 
 
 
 
 
 
 
Net income for the year - numerator
 
$
13,014,648
 
 
$
14,672,663
 
 
$
21,648,664
 
Weighted average common stock outstanding - denominator
 
 
18,458,446
 
 
 
18,456,781
 
 
 
18,349,332
 
Effect of dilution
 
 
-
 
 
 
-
 
 
 
-
 
Weighted average common stock outstanding - denominator
 
 
18,458,446
 
 
 
18,456,781
 
 
 
18,349,332
 
Diluted income per share
 
$
0.71
 
 
$
0.79
 
 
$
1.18