INVENTORIES, NET (Schedule of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
INVENTORIES, NET [Abstract]
Work in Process	$ 3,054us-gaap_InventoryWorkInProcess	$ 2,228us-gaap_InventoryWorkInProcess
Parts and supplies	3,601	2,906
Finished goods	3,105us-gaap_InventoryFinishedGoods	4,881us-gaap_InventoryFinishedGoods
Inventories	9,760us-gaap_InventoryGross	10,015us-gaap_InventoryGross
Less - inventory reserve	(1,380)us-gaap_InventoryValuationReserves	(1,981)us-gaap_InventoryValuationReserves	(2,325)us-gaap_InventoryValuationReserves
Inventories, net	$ 8,380us-gaap_InventoryNet	$ 8,034us-gaap_InventoryNet

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

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-Publisher SEC

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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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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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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