Inventories (Tables)

6 Months Ended

Jul. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories at July 31, 2018 and January 31, 2018 consisted of the following:

	As of
	July 31, 2018		January31,2018
	(in thousands)
Work-in-progress	$	19,553	$	12,073
Finished goods		11,234		11,310
Total	$	30,787	$	23,383