Annual report pursuant to Section 13 and 15(d)

Class A Common Shares Reserved for Future Issuance (Detail)

v3.3.1.900
Class A Common Shares Reserved for Future Issuance (Detail)
Dec. 31, 2015
shares
Class of Stock [Line Items]  
Total shares reserved for future issuance 6,878,724
Stock Option  
Class of Stock [Line Items]  
Total shares reserved for future issuance 1,478,724
Class B Common Stock Converted Into Class A Common Stock  
Class of Stock [Line Items]  
Total shares reserved for future issuance 5,400,000