Note 3 - Balance Sheet Detail - Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Raw materials	$ 17,935	$ 16,991
Work in process	2,016	2,306
Finished goods	13,970	8,717
Total	$ 33,921	$ 28,014

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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