INVENTORIES, NET (Schedule of Inventories) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Work in Process	$ 2,565	$ 2,237
Parts and supplies	3,798	3,616
Finished goods	707	3,186
Inventories	7,070	9,039
Less - inventory reserve	(1,183)	(1,296)	$ (1,380)
Inventories, net	$ 5,887	$ 7,743