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Loss Per Share (Tables)
 6 Months Ended
Jun. 30, 2013
Earnings Per Share [Abstract]  
Computation for Basic and Diluted Loss Per Share
The following table sets forth the computation for basic and diluted loss per share:
 
 
 
Three Months
Ended June 30,
 
Six Months
Ended June 30,
 
 
 
2012
 
2013
 
2012
 
2013
 
 
 
( Unaudited )
 
( Unaudited )
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Numerator:
 
 
 
 
 
 
 
 
 
 
 
 
 
Net loss
 
$
(2,729,661)
 
$
(1,297,154)
 
$
(5,854,250)
 
$
(2,121,458)
 
Numerator for basic and diluted earnings per share
 
$
(2,729,661)
 
$
(1,297,154)
 
$
(5,854,250)
 
$
(2,121,458)
 
Denominator:
 
 
 
 
 
 
 
 
 
 
 
 
 
Denominator for basic and diluted earnings per share — weighted-average shares
 
 
23,873,270
 
 
32,798,010
 
 
23,873,270
 
 
32,797,819
 
Basic and diluted loss per share
 
$
(0.11)
 
$
(0.04)
 
$
(0.25)
 
$
(0.06)