Deferred Revenue and Deferred Cost (Tables)

6 Months Ended

Jul. 31, 2017

Deferred Revenue Disclosure [Abstract]

Schedule of Deferred Revenue and Related Cost

Deferred revenue and related cost at July 31, 2017 and January 31, 2017 consisted of the following:

	As of
	July 31, 2017			January31,2017
	(in thousands)
Deferred revenue from product shipments	$	7,573		$	7,725
Deferred revenue from services		1,023			1,748
Deferred cost of revenue from product shipments		(2,393	)		(2,048	)
Total deferred revenue, net	$	6,203		$	7,425