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Inventories, net
3 Months Ended
Apr. 30, 2017
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
4.
Inventories, net
 
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