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Income Taxes - Schedule of Net Operating Losses for Tax Purpose - Non-U.S. (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2015
USD ($)
Operating Loss Carryforwards [Line Items]  
September 30, 2015 $ (4,720)
Foreign Subsidiaries [Member]  
Operating Loss Carryforwards [Line Items]  
December 31, 2014 (4,061)
Foreign subsidiaries loss (4,912)
September 30, 2015 $ (8,973)