Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.0.8
Subsequent Events (Details) (USD $)
0 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Oct. 05, 2012
Revenue Interest Purchase Agreement
Sep. 30, 2014
Revenue Interest Purchase Agreement
Nov. 12, 2014
Subsequent Event
Nov. 12, 2014
Three Peaks
Subsequent Event
Nov. 12, 2014
Three Peaks
Subsequent Event
Term Loan
Nov. 13, 2014
Three Peaks
Subsequent Event
Term Loan
Nov. 12, 2014
Three Peaks
Subsequent Event
Term Loan
Nov. 12, 2014
Three Peaks
Subsequent Event
Revenue Interest Purchase Agreement
Nov. 12, 2014
Three Peaks
Subsequent Event
Revenue Interest Purchase Agreement
Nov. 12, 2014
Three Peaks
Subsequent Event
Revenue Interest Purchase Agreement
Maximum
Nov. 12, 2014
Three Peaks
Subsequent Event
Revenue Interest Purchase Agreement
Maximum
Nov. 12, 2014
PDL
Subsequent Event
Subsequent Events                            
Face amount       $ 20,800,000         $ 25,000,000          
Term     8 years       6 years     10 years        
Interest rate stated (as a percent)                 9.00%          
Basis spread on fixed rate, option 1             LIBOR              
Basis spread on fixed rate, option 2             1.00%              
Effective interest rate (as a percent)               10.00%            
Optional future additional borrowing             7,000,000              
Royalty percentage on net revenue       9.95%             3.75%   4.80%  
Royalty revenue per year                       30,000,000    
Upon certain events, the percentage of outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand payment for on or prior to the first anniversary of the applicable Closing Date                 120.00%          
Upon certain events, the percentage of outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand payment for after the first anniversary but before the second anniversary of the applicable Closing Date                 135.00%          
Upon certain events, the percentage of outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand payment for after the second anniversary but before the third anniversary of the applicable Closing Date                 150.00%          
Upon certain events, the internal rate of return of the outstanding principal amount of the Term Loan the Company has the option to prepay and the lender has a right to demand after the third anniversary of the applicable Closing Date                 16.25%          
Upon certain events, the additional percentage of the originally advanced Term Loan amount owed                 3.00%          
Shares of common stock sold 17,466,381 17,339,561       1,375,969               643,382
Value of common stock sold 174,664 173,395       3,550,000               1,750,000
Public offering price (in dollars per share)           $ 2.58               $ 2.72
Amount of capital used to repay the royalty contract         $ 1,750,000