Inventories (Tables)

12 Months Ended

Dec. 31, 2012

Inventories

Schedule of major classes of inventories

Our major classes of inventories were as follows as of December 31, 2012 and 2011 (in thousands):

	December 31,
	2012		2011
Raw materials	$	2,652	$	1,892
Work in process		2,524		3,696
Finished goods		7,275		9,618
Total inventories	$	12,451	$	15,206