Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.2.0.727
Commitments and Contingencies - Additional Information (Detail)
6 Months Ended
Dec. 23, 2014
USD ($)
Dec. 23, 2014
EUR (€)
Jun. 30, 2015
USD ($)
Jun. 30, 2015
EUR (€)
Jun. 30, 2015
EUR (€)
Loss Contingencies [Line Items]          
Counterclaim amount filed $ 3,060,827 € 2,529,400      
Claims and counterclaims amount     $ 4,235,350 € 3,500,000  
Out License Fee [Member]          
Loss Contingencies [Line Items]          
Out-License Fee amount     400,000    
TUM [Member] | Out License Fee [Member]          
Loss Contingencies [Line Items]          
Out-License Fee amount     3,400,000    
Reserved liability     $ 302,273   € 271,000