Annual report pursuant to Section 13 and 15(d)

Note Payable and Term Loan Agreement - Note Payable (Details)

v3.3.1.900
Note Payable and Term Loan Agreement - Note Payable (Details) - USD ($)
 1 Months Ended 2 Months Ended 12 Months Ended
Nov. 12, 2014
Oct. 05, 2012
Oct. 31, 2012
Aug. 31, 2012
Oct. 05, 2012
Dec. 31, 2015
Dec. 31, 2014
Nov. 13, 2014
Dec. 31, 2013
Note Payable                  
Interest expense           $ 3,988,619 $ 6,812,315    
Interest Paid           3,525,978 3,912,463    
Interest Expense.                  
Note Payable                  
Non-cash expense           462,000 86,000    
PDL and Three Peaks                  
Note Payable                  
Interest expense           $ 3,526,000 $ 6,724,000    
Revenue Interest Purchase Agreement | Three Peaks                  
Note Payable                  
Royalty percentage on net revenue 3.75%                
Minimum annual payment amounts                  
Term 10 years         10 years      
Revenue Interest Purchase Agreement | Three Peaks | Maximum                  
Note Payable                  
Royalty percentage on net revenue 4.80%                
Revenue Interest Purchase Agreement | PDL                  
Note Payable                  
Payment to extinguish royalty contract $ 30,300,000                
Minimum annual payment amounts                  
Term   8 years              
Internal rate of return on funded amount                 20.00%
Funded amount     $ 19,050,000 $ 1,750,000 $ 20,800,000        
Term Loan | Three Peaks                  
Note Payable                  
Total debt $ 25,000,000                
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% 10.00% 10.00%  
Minimum annual payment amounts                  
Term 6 years