INVENTORIES, NET (Schedule of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
INVENTORIES, NET [Abstract]
Work in Process	$ 2,228	$ 2,155
Parts and supplies	2,906	4,178
Finished goods	4,881	7,144
Inventories	10,015	13,477
Less - inventory reserve	(1,981)	(2,325)	(1,577)
Inventories, net	$ 8,034	$ 11,152