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Note 3 - Components of Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Short-term inventories:
Raw materials	$ 39,074	$ 48,005
Work-in-process	2,088	1,741
Finished goods	5,560	20,663
Supplies	2,439	2,370
Total short-term inventories	49,161	72,779
Long-term inventories:
Finished goods	886	1,214
Total inventories	$ 50,047	$ 73,993

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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 products used directly or indirectly in the manufacturing or production process, which may or may not become part of the final product. May also include items used in the storage, presentation or transportation of physical goods.

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