Annual report pursuant to Section 13 and 15(d)

Fair Value of Assets and Liabilities - Additional Information (Detail)

v3.3.1.900
Fair Value of Assets and Liabilities - Additional Information (Detail) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Fair Value Assumptions And Methodology For Assets And Liabilities [Abstract]    
Derivative warrant liability $ 0 $ 0