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Stock Warrants (Tables)
9 Months Ended
Sep. 30, 2012
Stockholders' Equity Note [Abstract]  
Changes in Warrants

A summary of the various changes in warrants during the nine-month period ended September 30, 2012 is as follows.

 

    Number of
Shares
 
       
Warrants Outstanding at December 31, 2011     65,072,098  
Exercised During the Period      
Issued During the Period      
Expired During the Period     168,320  
         
Warrants Outstanding, September 30, 2012     64,903,778