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Financial Statement Components - Schedule of Accrued and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Financial Statement Components [Abstract]    
Accrued expenses $ 2,148 $ 2,193
Accrued compensation and benefits 7,456 5,718
Accrued and other current liabilities $ 9,604 $ 7,911