INVENTORIES, NET (Schedule of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012	Dec. 31, 2011
INVENTORIES, NET [Abstract]
Work in Process	$ 2,390	$ 2,155
Parts and supplies	3,497	4,178
Finished goods	5,168	7,144
Inventories	11,055	13,477
Less - inventory reserve	(2,473)	(2,325)	(1,577)
Inventories, net	$ 8,582	$ 11,152