Deferred Revenue and Deferred Cost (Tables)

9 Months Ended

Oct. 31, 2013

Revenue Recognition [Abstract]

Schedule of Deferred Revenue and Related Cost

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

	As of October 31, 2013			As of January 31, 2013
	(in thousands)
Deferred revenue on product shipments	$	4,487		$	3,827
Deferred revenue from licenses		400			485
Deferred cost of revenue on product shipments		(1,335	)		(861	)
Total deferred income	$	3,552		$	3,451