Inventories (Tables)

3 Months Ended

Mar. 31, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following (in thousands):

	March 31, 2013		December 31, 2012
Finished goods	$	11,962	$	12,518
Work in process	28,095		28,133
Raw materials	1,752		1,605
Total inventories	$	41,809	$	42,256