XML 32 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories, net (Tables)
9 Months Ended
Oct. 31, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
Inventories, net of allowance consist of the following (in $000s):
 
  October 31, 2017 January 31, 2017 
        
Raw materials $13,490 $14,312 
Work-in-process  1,993  1,233 
Finished goods  22,970  19,990 
  $38,453 $35,535