Deferred Revenue and Deferred Cost (Tables)

12 Months Ended

Jan. 31, 2013

Schedule of Deferred Revenue and Related Cost

Deferred revenue and related cost at January 31, 2013 and 2012 consisted of the following:

	As of January 31,
	2013			2012
	(in thousands)
Deferred revenue on product shipments	$	3,827		$	6,968
Deferred revenue from licenses		485			1,955
Deferred cost of revenue on product shipments		(861	)		(721	)
Total deferred income	$	3,451		$	8,202