Note 4 - Balance Sheet Components - Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Raw materials	$ 18,719	$ 25,503
Work in process	95,090	77,100
Finished goods	63,513	54,459
Total	$ 177,322	$ 157,062

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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