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Related Parties (Details) (Callisto, USD $)
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Related parties    
Ownership percentage of outstanding shares owned by majority shareholder 34.00%  
Balances due from Callisto Pharmaceuticals, Inc.    
Rent, utilities, and property taxes $ 123,000  
Insurance and other facilities related overhead 344,000  
Independent accountants and legal 935,000  
Financial printer and transfer agent fees 427,000  
Salaries and consulting fees 344,000  
Income Taxes 325,000  
Merger fairness opinion 270,000  
Working capital advances, net of repayments 538,000  
Total due from Callisto 3,305,636  
Unsecured promissory note
   
Related parties    
Interest rate (as a percent) 6.00%  
Interest income earned $ 148,000 $ 84,000