Deferred Revenue and Deferred Cost (Tables)

12 Months Ended

Jan. 31, 2016

Deferred Revenue Disclosure [Abstract]

Schedule of Deferred Revenue and Related Cost

Deferred revenue and related cost at January 31, 2016 and 2015 consisted of the following:

	As of January 31,
	2016			2015
	(in thousands)
Deferred revenue on product shipments	$	12,201		$	4,663
Deferred revenue from licenses & services		1,653			1,610
Deferred cost of revenue on product shipments		(3,777	)		(1,168	)
Total deferred revenue, net	$	10,077		$	5,105