Inventories (Tables)

12 Months Ended

Jan. 31, 2012

Inventory Disclosure [Abstract]

Schedule Of Inventories

Inventories as of January 31, 2012 and 2011, respectively, consist of:

	January 31,
	2012		2011
	(In thousands)
Raw materials	$	4,959	$	7,112
Work in process	5,777		5,112
Finished goods	3,678		4,763
Total	$	14,414	$	16,987