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INVENTORIES (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Raw materials	$ 2,070	$ 2,387
Work in process	9	282
Finished goods and spare parts	15,547	8,685
Total	$ 17,626us-gaap_InventoryNet	$ 11,354us-gaap_InventoryNet

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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