Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Class A Redeemable Convertible Preferred Stock - Schedule of Beneficial Conversion Feature (Detail)

v3.3.1.900
Class A Redeemable Convertible Preferred Stock - Schedule of Beneficial Conversion Feature (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 30, 2015
Aug. 31, 2014
Mar. 31, 2013
Temporary Equity [Line Items]        
Stock price on issue date     $ 4.60 $ 3.00
Series A Redeemable Convertible Preferred Stock [Member]        
Temporary Equity [Line Items]        
Common shares the stock coverts into 14,666,667      
Effective conversion price $ 4.99      
Stock price on issue date 8.04      
Excess fair value over conversion price $ 3.05      
Fair Value $ 73,200 $ 73,200    
Value of Beneficial Conversion Feature (44,720)      
Carrying Value $ 28,480