Inventories (Tables)

12 Months Ended

Jan. 31, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following (in thousands):

	As of January 31,
	2015			2014
Raw materials	$	6,718		$	4,599
Finished goods		4,466			4,159
Work in progress		1,017			612
Cost of inventories		12,201			9,370
Less allowance for obsolescence		(750	)		(1,032	)
Net inventories	$	11,451		$	8,338