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Net Income (loss) Per Share (Tables)
 9 Months Ended
Sep. 30, 2013
Earnings Per Share [Abstract]  
Computation of Basic and Diluted Net Loss per Share
The following table sets forth the computation of basic and diluted net loss per share:
 
Three months ended
September 30,
 
Nine months ended
 September 30,
 
2013
 
2012
 
2013
 
2012
Net income (loss)
$
(307,118
)
 
$
(4,219,372
)
 
$
(2,684,915
)
 
$
(6,057,092
)
Denominator for basic earnings per share - weighted average shares
96,914,856

 
84,493,164

 
95,429,988

 
84,091,014

Effect of dilutive securities: Stock options and warrants outstanding and convertible debt (a)
—

 
—

 
—

 
—

Denominator for diluted earnings per share - weighted average shares adjusted for dilutive securities
96,914,856

 
84,493,164

 
95,429,988

 
84,091,014

Income (loss) per common share - basic and diluted
$
—

 
$
(0.05
)
 
$
(0.03
)
 
$
(0.07
)
(a) Securities outstanding that were excluded from the computation, prior to the use of the treasury stock method, because they would have been anti-dilutive are as follows
Summary of Antidilutive Securities
(a) Securities outstanding that were excluded from the computation, prior to the use of the treasury stock method, because they would have been anti-dilutive are as follows:
 
Nine months ended September 30,
 
2013
 
2012
Outstanding Stock Options
15,139,543

 
12,642,833

Outstanding Warrants
1,923,669

 
3,241,668

Convertible Debt, promissory notes
—

 
5,313,133

Convertible Line of Credit with Related Party
—

 
1,391,524

 
17,063,212

 
22,589,158