Inventories, net (Tables)

3 Months Ended

Apr. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories, net consist of the following (in $000s):

	April 30, 2017		January 31, 2017
Raw materials	$	12,825	$	14,312
Work-in-process		1,000		1,233
Finished goods		18,263		19,990
	$	32,088	$	35,535