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Inventories (Tables)
12 Months Ended
Jan. 31, 2020
Inventory Disclosure [Abstract]  
Components of Inventories
The components of inventories are as follows:
 
 
  
January 31
 
 
  
2020
 
  
2019
 
(In thousands)
  
 
 
  
 
 
Materials and Supplies
  
$
20,151
 
  
$
17,517
 
Work-in-Progress
  
 
1,408
 
  
 
1,633
 
Finished Goods
  
 
17,992
 
  
 
15,688
 
  
 
 
   
 
 
 
  
 
39,551
 
  
 
34,838
 
Inventory Reserve
  
 
(5,626
  
 
(4,677
  
 
 
   
 
 
 
Balance at January 31
  
$
33,925
 
  
$
30,161