Note 6 - Inventory, Net - Summary of Inventory, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Raw materials	$ 8,904	$ 9,132
Finished goods	1,950	1,964
Inventory, net	$ 10,854	$ 11,096

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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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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