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Nature of Operations and Basis of Presentation - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended 248 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Inception [Member]
Aug. 01, 2013
Subsequent Event [Member]
Organization And Nature Of Operations [Line Items]                
Net losses since inception $ (520,052) $ (294,908) $ (817,907) $ (614,209) $ (208,803,752)   $ 199,511,451  
Estimated cash and cash equivalents               50,000
Liquidated shares 285,000   285,000   285,000      
Proceeds from common stock held     861,618          
Stockholders' deficit (27,272,865)   (27,272,865)   (27,272,865) (26,720,871)    
Net working capital deficit $ 9,742,000   $ 9,742,000   $ 9,742,000