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Basis of Presentation (Details) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Basis of Presentation [Abstract]          
Net loss from operations $ (10,852,588) $ (4,133,179) $ (19,696,708) $ (12,388,128)  
Working capital 6,500,000   6,500,000    
Accumulated deficit $ (249,456,837)   $ (249,456,837)   $ (229,760,129)