Inventories

9 Months Ended

Sep. 30, 2011

Inventories [Abstract]

Inventories

Note 4. Inventories

The components of inventories were as follows:

	September 30,		December 31,
	2011		2010
	(in thousands)
Raw materials	$	18,143	$	18,488
Work in process		22,267		20,182
Inventories	$	40,410	$	38,670