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Organization of the Company (Details 2) (USD $)
 0 Months Ended 1 Months Ended 12 Months Ended 0 Months Ended 0 Months Ended
Aug. 24, 2012
Nov. 30, 2012
Dec. 31, 2012
Sep. 11, 2012
Minimum
Dec. 14, 2012
Aspire Capital Fund, LLC
Dec. 14, 2012
Aspire Capital Fund, LLC
Maximum
Aug. 10, 2012
Sinclair
Aug. 10, 2012
Sinclair
Minimum
Number of shares issued under purchase agreement         158,982      
Purchase price for shares issued under purchase agreement     $ 1,418,000   $ 1,000,000      
Shares committed to purchase         1,455,787      
Period of common stock purchase agreement         2 years      
Common stock purchase agreement, purchase commitment           19,000,000    
Stock issued for non-cash consideration         74,548      
Grant awarded from UK Government's Biomedical Catalyst   1,900,000            
Reverse stock split conversion ratio 0.143              
Closing bid price of common stock evidenced by the entity to regain compliance (in dollars per share)       $ 1.00        
Period from NASDAQ Staff's notification, during which the closing bid price of the common stock must equal to or exceed the specified closing bid price to regain compliance       10 days        
Quarterly installments receivable under royalty arrangement               $ 1,000,000
Period of royalty arrangement             3 years