Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventory Disclosure [Abstract]

Schedule of Inventories

The components of inventories are summarized below (in thousands):

	September 30,			December 31,
	2012			2011
Raw materials	$	6,020		$	6,184
Work in process		4,898			2,974
Finished goods		4,798			5,217
Provision for excess and obsolete inventory		(295	)		(664	)
Total inventories	$	15,421		$	13,711