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Basis of Presentation (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Basis of Presentation (Textual) [Abstract]          
Net loss from operations $ (4,133,179) $ (2,822,159) $ (12,388,128) $ (5,234,772)  
Working capital 11,100,000   11,100,000    
Accumulated deficit $ (222,479,302)   $ (222,479,302)   $ (210,091,174)