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INVENTORIES (Schedule of Inventory) (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials, parts and supplies $ 5,787 $ 6,638
Work in progress and assembled raw materials 16,766 15,409
Finished products 9,936 5,156
Inventory, Net $ 32,489 $ 27,203