Inventories (Tables)

12 Months Ended

Jan. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	As of January 31,
	2017			2016
Raw materials	$	5,781		$	7,314
Finished goods		5,985			4,967
Work in progress		1,146			1,563
Cost of inventories		12,912			13,844
Less allowance for obsolescence		(952	)		(900	)
Net inventories	$	11,960		$	12,944