Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Schedule of Inventories (Details)

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Balance Sheet Components - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Inventory Disclosure [Abstract]    
Raw materials and work-in-progress $ 13,945 $ 12,382
Finished goods 3,209 2,152
Less: reserves (299) (191)
Inventories $ 16,855 $ 14,343