Inventories (Tables)

6 Months Ended

Jul. 31, 2013

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory at July 31, 2013 and January 31, 2013 consisted of the following:

	As of		As of
	July 31, 2013		January 31, 2013
	(in thousands)
Work-in-progress	$	7,125	$	3,012
Finished goods		2,788		5,906
Total	$	9,913	$	8,918