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Note 4 - Balance Sheet Details - Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Raw materials $ 10,112   $ 2,754
Work in process 20,604   4,166
Finished goods 8,316   3,188
Total inventory $ 39,032 $ 9,910 $ 10,108