Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.3.0.814
Commitments and Contingencies - Additional Information (Detail)
 3 Months Ended 9 Months Ended
Aug. 27, 2015
ft²
$ / ft²
Dec. 23, 2014
EUR (€)
Dec. 23, 2014
USD ($)
Sep. 30, 2015
USD ($)
Sep. 30, 2015
EUR (€)
Sep. 30, 2015
USD ($)
Sep. 30, 2015
USD ($)
Loss Contingencies [Line Items]              
Counterclaim amount filed   € 2,529,400 $ 3,060,827        
Claims and counterclaims amount         € 3,500,000 $ 4,235,350  
Area of lease property | ft² 3,950            
Annual rent per square foot | $ / ft² 46.50            
Annual rent increase per square foot | $ / ft² 1.00            
Rent expenses recognized       $ 0   $ 0  
Description of lease agreement         The Company has agreed to pay the Sublandlord an annual rental at a rate equal to $46.50 per square foot, increasing by $1.00 per square foot on each anniversary of the Commencement Date. The Company has agreed to pay the Sublandlord an annual rental at a rate equal to $46.50 per square foot, increasing by $1.00 per square foot on each anniversary of the Commencement Date.  
Lease expiration date         Feb. 27, 2022 Feb. 27, 2022  
Lease commencement date         Aug. 27, 2015 Aug. 27, 2015  
Out License Fee [Member]              
Loss Contingencies [Line Items]              
Out-License Fee amount             $ 300,000
TUM [Member] | Out License Fee [Member]              
Loss Contingencies [Line Items]              
Out-License Fee amount             3,400,000
Reserved liability         € 271,000   $ 302,273