Quarterly report pursuant to Section 13 or 15(d)

Related Party Transaction - Additional Information (Detail)

v3.5.0.2
Related Party Transaction - Additional Information (Detail)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
USD ($)
Sep. 30, 2016
USD ($)
shares
Related Party Transaction [Line Items]    
Stock options granted to purchase | shares   1,635,250
Chief Executive Officer    
Related Party Transaction [Line Items]    
Consulting services paid | $ $ 0.1 $ 0.4
Stock options granted to purchase | shares   135,000
Accounts payable, related parties | $ $ 0.4 $ 0.4