Note 4 - Balance Sheet Components - Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Raw materials	$ 34,281	$ 20,573
Work in process	50,446	40,030
Finished goods	44,182	38,678
Total	$ 128,909	$ 99,281

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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