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Summary of Changes in Convertible Debt Related Parties Net of Unamortized Discount (Detail) (USD $)
12 Months Ended 131 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Sep. 24, 2013
Debt Instrument [Line Items]        
Balance at December 31, 2012 $ 318,658      
Discount on convertible debt   (3,708,237)   (2,432,681)
Repayment of January 23, 2013 Notes (450,000)   (761,222)  
Unamortized debt discount closed to loss on debt extinguishment 1,949,003      
Amortization of debt discount to interest expense through December 31, 2013 (1,613,354) (104,032) (8,470,084)  
Balance at December 31, 2013   318,658    
Related Party Transactions
       
Debt Instrument [Line Items]        
Discount on convertible debt 0 (571,895) 0  
Warrants Attached to Debt
       
Debt Instrument [Line Items]        
Discount on convertible debt (165,820)   (165,820)  
Convertible debt | Related Party Transactions
       
Debt Instrument [Line Items]        
Balance at December 31, 2012 58,105      
Notes, face value 100,000      
Repayment of January 23, 2013 Notes (100,000)      
Unamortized debt discount closed to loss on debt extinguishment 483,678      
Amortization of debt discount to interest expense through December 31, 2013 140,186      
Convertible debt | Related Party Transactions | July 2012 Notes
       
Debt Instrument [Line Items]        
Principal amount of Notes converted to common stock (630,000)      
Convertible debt | Beneficial Conversion Feature | Related Party Transactions
       
Debt Instrument [Line Items]        
Discount on convertible debt (21,820)   (21,820)  
Convertible debt | Warrants Attached to Debt | Related Party Transactions
       
Debt Instrument [Line Items]        
Discount on convertible debt $ (30,149)   $ (30,149)