Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Servier Loan Agreement - Additional Information (Details)

v3.10.0.1
Long-Term Debt - Servier Loan Agreement - Additional Information (Details)
1 Months Ended 3 Months Ended 9 Months Ended
Aug. 25, 2017
USD ($)
€ / $
Dec. 31, 2010
USD ($)
Sep. 30, 2017
USD ($)
Sep. 30, 2017
USD ($)
Dec. 31, 2010
EUR (€)
Debt Instrument [Line Items]          
Loss on extinguishment of debt     $ 135,000 $ 650,000  
Servier Loan [Member]          
Debt Instrument [Line Items]          
Date of agreement   Dec. 30, 2010      
Borrowing capacity under loan agreement   $ 19,500,000     € 15,000,000
Payment of debt through cash by NIBR $ 14,300,000        
Euro to US Dollar exchange rates | € / $ 1.1932        
Loss on extinguishment of debt     $ 100,000