Deferred Revenue and Deferred Cost

6 Months Ended

Jul. 31, 2013

Revenue Recognition [Abstract]

Deferred Revenue and Deferred Cost

5. Deferred Revenue and Deferred Cost

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

	As of			As of
	July 31, 2013			January 31, 2013
	(in thousands)
Deferred revenue on product shipments	$	6,426		$	3,827
Deferred revenue from licenses		100			485
Deferred cost of revenue on product shipments		(1,635	)		(861	)
Total deferred income	$	4,891		$	3,451