INVENTORIES, NET (Schedule of Inventories) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
INVENTORIES, NET [Abstract]
Work in Process	$ 2,237	$ 3,054
Parts and supplies	3,616	3,601
Finished goods	3,186	3,105
Inventories	9,039	9,760
Less - inventory reserve	(1,296)	(1,380)	$ (1,981)
Inventories, net	$ 7,743	$ 8,380