Quarterly report pursuant to Section 13 or 15(d)

Related Party Transaction - Additional Information (Detail)

v3.3.0.814
Related Party Transaction - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Patent No. 8,420,051 [Member]          
Related Party Transaction [Line Items]          
Expected patent expiration year     2029    
Consulting Agreement [Member]          
Related Party Transaction [Line Items]          
Consulting agreement fees paid to Prof. Dr. Skerra $ 5,559 $ 6,625 $ 16,717 $ 26,955  
TUM [Member]          
Related Party Transaction [Line Items]          
Patent expiration year     2027    
Transfer of licenses and protective rights 13,898 $ 16,563      
Total expenses     $ 41,791 $ 50,839  
TUM [Member] | License Agreement [Member]          
Related Party Transaction [Line Items]          
Contingent accrual liability for research and licensing agreement $ 302,490   $ 302,490   $ 327,937