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EQUITY (Tables)
9 Months Ended
Sep. 30, 2012
Equity Tables  
Summary of common stock activity

The following table summarizes common stock activity for the nine months ended September 30, 2012:

 

    Common Stock  
       
Shares outstanding at December 31, 2011     67,988,916  
    Shares issued pursuant to warrants and options exercised for cash     7,028,871  
    Shares issued pursuant to cashless warrants exercised     1,361,547  
Shares outstanding at September 30, 2012     76,379,334  

Summary of warrant activity

The following table summarizes warrant activity for the following periods:

 

    Warrants    

Weighted-

Average

Exercise Price

 
             
Balance at December 31, 2011     28,453,760     $ 0.52  
    Granted     300,000     $ 0.91  
    Expired / Canceled     (12,000 )   $ 0.50  
    Exercised     (9,464,672 )   $ 0.50  
Balance at September 30, 2012     19,277,088     $ 0.56  
Summary of stock option plans activity

A summary of the activity under the Company’s stock option plans is as follows:

 

    Options    

Weighted-Average

Exercise Price

 
Balance at December 31, 2011     1,707,713     $ 0.76  
Granted     1,437,500     $ 0.89  
Expired/Cancelled     (68,892 )   $ 0.83  
Exercised     (24,924 )   $ 0.29  
                 
Balance at September 30,2012     3,051,397     $ 0.82