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Organization, Business and Basis of Presentation (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 14, 2011
Dec. 31, 2012
Convertible Promissory Notes | Tallikut Pharmaceuticals, Inc. ("Tallikut")    
Notes assumed   $ 2.0
Assignment and Issuance Agreement    
Recorded value of tangible and intangible assets $ 0.0  
Recorded value of assumed debt 23.4  
Lender A & B ("BCC") | VIA    
Notional value of asset 3.0  
VIA | Lender A & B ("BCC")    
Credit bid $ 3.0