Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - Additional Information (Detail)

v3.3.1.900
Related Party Transactions - Additional Information (Detail) - USD ($)
Jun. 23, 2015
Jan. 19, 2016
May. 31, 2015
Alpha Venture Capital Partners, L.P. | AVCP Convertible Notes      
Related Party Transaction [Line Items]      
Common stock issued upon conversion of notes 5,237,966    
Alpha Venture Capital Partners, L.P. | AVCP Convertible Notes | 3-Month Unsecured Convertible Promissory Note      
Related Party Transaction [Line Items]      
Convertible note, face amount     $ 1,500,000
Alpha Venture Capital Partners, L.P. | AVCP Convertible Notes | Additional 5-year Warrant      
Related Party Transaction [Line Items]      
Common stock issued upon conversion of notes 1,000,000    
Alpha Venture Capital Partners, L.P. | AVCP Convertible Notes | 2-Year Unsecured Convertible Promissory Note      
Related Party Transaction [Line Items]      
Convertible note, face amount     $ 2,000,000
Denis R. Burger, Ph.D | Consulting Agreement      
Related Party Transaction [Line Items]      
Compensation payable per month   $ 20,000