Inventories (Tables)

9 Months Ended

Sep. 30, 2012

Inventories [Abstract]

Components of inventories

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

	September 30,		December 31,
	2012		2011
Inventories:
Raw materials	$	16,980	$	25,460
Work in process		16,432		15,753
Finished goods		6,520		4,799
	$	39,932	$	46,012