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Net Income (Loss) Per Share
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Net Income (loss) Per Share
Net Income (Loss) Per Share
Basic net income (loss) per common share is computed using the weighted-average number of common shares outstanding during the period.  Diluted net loss per common share is computed using the weighted-average number of common and dilutive common equivalent shares from stock options, restricted stock, and warrants (see Note 8) using the treasury stock method.  For the three and nine months ended September 30, 2013, diluted net loss per share is the same as basic net loss per share, as the inclusion of equivalent shares from outstanding common stock options, restricted stock, and warrants would be anti-dilutive.
The following table sets forth the computation of basic and diluted net income (loss) per share:
 
Three months ended
 September 30,
 
Nine months ended
September 30,
 
2014
 
2013
 
2014
 
2013
Net income (loss)
$
3,699,705

 
$
(307,118
)
 
$
2,387,474

 
$
(2,684,915
)
Denominator for basic earnings per share - weighted average shares
105,756,945

 
96,914,856

 
105,331,344

 
95,429,988

Effect of dilutive securities: Stock options, restricted stock, and warrants outstanding(a)
7,057,713

 
—

 
7,193,672

 
—

Denominator for diluted earnings per share - weighted average shares adjusted for dilutive securities
112,814,658

 
96,914,856

 
112,525,016

 
95,429,988

Income (loss) per common share - basic
$
0.03

 
$
—

 
$
0.02

 
$
(0.03
)
Income (loss) per common share - diluted
$
0.03


$
—


$
0.02


$
(0.03
)
(a) Securities outstanding that are included in the computation above, utilizing the treasury stock method for the three and nine months ended September 30, 2014, are as follows:
 
Three Months
 
Nine Months
 
September 30, 2014
Outstanding Stock Options
6,651,994

 
6,752,310

Outstanding Warrants
194,002

 
275,593

Restricted Stock Awards
211,717

 
165,769

 
7,057,713

 
7,193,672


Securities outstanding for the three and nine months ended September 30, 2013 were excluded from the computation of diluted earnings per share because they would have been anti - dilutive.