Inventories (Tables)

3 Months Ended

Apr. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory at April 30, 2015 and January 31, 2015 consisted of the following:

	As of
	April 30, 2015		January31,2015
	(in thousands)
Work-in-progress	$	18,165	$	13,805
Finished goods		7,638		7,888
Total	$	25,803	$	21,693