INVENTORIES (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventories

	March 31, 2013			December 31, 2012
Raw materials	$	6,901		$	6,806
Work in process		4,188			4,024
Finished goods		4,567			4,344
Spare parts and supplies		926			956
		16,582			16,130
Allowance for obsolete inventory		(994	)		(748	)
Inventories, net	$	15,588		$	15,382