Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.3.1.900
Commitments and Contingencies - Additional Information (Detail)
€ in Millions
 9 Months Ended 12 Months Ended
Aug. 27, 2015
ft²
Dec. 23, 2014
EUR (€)
Dec. 23, 2014
USD ($)
Sep. 30, 2015
USD ($)
Dec. 31, 2015
EUR (€)
Sublease
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2015
USD ($)
Sublease
Loss Contingencies [Line Items]                
Area of lease property | ft² 3,950              
Rent expenses recognized           $ 18,399    
Lease expiration date         Feb. 27, 2022 Feb. 27, 2022    
Lease commencement date         Aug. 27, 2015 Aug. 27, 2015    
Rent expense           $ 400,000 $ 300,000  
Number of sub lease agreements | Sublease         6     6
Counterclaim amount filed   € 2.5 $ 2,800,000          
License Agreement [Member] | IBA GmbH [Member]                
Loss Contingencies [Line Items]                
Annual license payment           $ 32,718    
Agreement expiration date         2024 2024    
License Agreement [Member] | TUM [Member]                
Loss Contingencies [Line Items]                
Annual license payment           $ 100,000    
Agreement expiration date         2027 2027    
Out License Fee [Member]                
Loss Contingencies [Line Items]                
Out-License Fee amount               $ 300,000
TUM [Member]                
Loss Contingencies [Line Items]                
Annual license payment       $ 41,791        
Claims and counterclaims amount         € 0.9 $ 900,000    
Total interest expense           200,000    
Arbitration settlement liability, current             $ 300,000  
Reimbursement of legal fees         0.1 100,000    
TUM [Member] | Research and Development [Member]                
Loss Contingencies [Line Items]                
Claims and counterclaims amount           $ 600,000    
TUM [Member] | Out License Fee [Member]                
Loss Contingencies [Line Items]                
Out-License Fee amount               3,400,000
Reserved liability         € 0.3     $ 300,000