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BALANCE SHEET DETAILS - Other Long-term Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Other long-term liabilities    
Non-current income tax payable $ 3,906 $ 6,432
Other 1,075 1,827
Total other long-term liabilities $ 4,981 $ 8,259