Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.7.0.1
Commitments and Contingencies - Additional Information (Detail)
12 Months Ended
Aug. 27, 2015
ft²
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Loss Contingencies [Line Items]      
Area of lease property | ft² 3,950    
Lease expiration date   Feb. 27, 2022  
Lease commencement date   Aug. 27, 2015  
Rent expenses recognized   $ 200,000 $ 18,399.0
Rent expense   $ 300,000 $ 400,000
Freising [Member]      
Loss Contingencies [Line Items]      
Additional office space fixed lease term   1 year  
Lease extension term   1 year  
Lease expiration period   2018-06  
Lease agreement exit option expiry date.   Dec. 12, 2016  
License Agreement [Member] | IBA GmbH [Member]      
Loss Contingencies [Line Items]      
Annual license payment   $ 32,718  
Agreement expiration date   2024  
License Agreement [Member] | TUM [Member]      
Loss Contingencies [Line Items]      
Annual license payment   $ 100,000  
Agreement expiration date   2027