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INVENTORIES (Schedule of Inventory) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
INVENTORIES [Abstract]    
Raw materials, parts and supplies $ 8,130us-gaap_InventoryRawMaterials $ 5,364us-gaap_InventoryRawMaterials
Work in process 5,477us-gaap_InventoryWorkInProcess 5,036us-gaap_InventoryWorkInProcess
Finished products 11,505us-gaap_InventoryFinishedGoods 16,741us-gaap_InventoryFinishedGoods
Inventory, Net $ 25,112us-gaap_InventoryNet $ 27,141us-gaap_InventoryNet