Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details Textual)

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Commitments and Contingencies (Details Textual) (USD $)
1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2011
Apr. 05, 2011
Mar. 15, 2011
Sep. 30, 2010
Dec. 31, 2009
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Nov. 30, 2011
Sep. 30, 2010
Dec. 31, 2009
Nov. 14, 2011
Commitments and Contingencies (Textual) [Abstract]                            
Loan term       P39M P3Y                  
Loan principal amount     $ 20,000,000 $ 5,000,000 $ 3,000,000             $ 5,000,000 $ 3,000,000  
Bearing interest rate       13.00% 13.00%             13.00% 13.00%  
Facility fee     500,000 125,000 60,000                  
Final payment of principal amount     480,000 300,000 180,000             300,000 180,000  
Monthly interest payment       54,167 32,500                  
Monthly interest and principal amount installments       196,108 117,665                  
Warrants periodic payments     6 years 5 years 5 years                  
Purchase of common stock for warrants     6,000,000 287,356 42,254             287,356 42,254  
Exercise price of warrant per share     1.57 0.87 2.13             0.87 2.13  
Fair value of warrants     5,500,000 254,580 88,995             254,580 88,995  
Effective annual interest rate on loan 78.00%   51.00%               1.00% 22.60% 21.10%  
Funding from Deerfield     20,000,000                      
Proceeds from the Deerfield funding to repay Oxford in full   7,600,000                        
Interest rate on long-term debt     8.50%                      
Debt instrument periodic payment     Payable quarterly, and was originally repayable over five years                      
Long term debt repayment period     5 years                      
Percentage of principle amount due in year one     10.00%                      
Percentage of principle amount due in year two     15.00%                      
Percentage of principle amount due on each of the next three anniversaries     25.00%                      
Principle amount repayment percentage     110.00%                      
Royalty revenue     3,000,000     1,228,000 973,000 3,816,000 2,291,000          
Debt discount     3,000,000                      
Loan fee     500,000                      
Total amortized discount     9,000,000                      
Effective annual interest rate     33.00%                     1.00%
Royalty liability     3,000,000     10,087,000   10,087,000   9,309,000       5,000,000
Reduction in the principal amount owed to Deerfield                           10,000,000
Revised principal repayment in 2013                           2,500,000
Revised principal repayment in 2014                           2,500,000
Revised principal repayment in 2015                           2,500,000
Revised principal repayment in 2016                           2,500,000
Remaining long-term debt to be retired                           10,000,000
Net sales of Fanapt           15,300,000 12,200,000 15,300,000 12,200,000          
Royalties payable               2,300,000   1,800,000        
Percentage of aggregate royalties on net sales     2.50%                      
Royalty rights     $ 40,000,000