Annual report pursuant to Section 13 and 15(d)

Related-Party Transactions - Additional Information (Detail)

v3.7.0.1
Related-Party Transactions - Additional Information (Detail) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2016
Related Party Transaction [Line Items]    
Total expenses   $ 0
Consulting Agreement [Member]    
Related Party Transaction [Line Items]    
Consulting agreement fees paid to Prof. Dr. Skerra $ 16,717  
TUM [Member]    
Related Party Transaction [Line Items]    
Total expenses $ 41,791 $ 0