Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.2.0.727
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Accounting Policies [Abstract]    
Restricted cash equivalent $ 200,000 $ 0