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Inventories
12 Months Ended
Jan. 31, 2022
Inventory Disclosure [Abstract]  
Inventories
Note 4—Inventories
The components of inventories are as follows:
 
    
January 31,
 
    
2022
    
2021
 
(In thousands)              
Materials and Supplies
   $ 22,709      $ 20,265  
Work-in-Progress
     1,489        2,076  
Finished Goods
     19,718        16,371  
    
 
 
    
 
 
 
       43,916        38,712  
Inventory Reserve
     (9,307      (8,652
    
 
 
    
 
 
 
     $ 34,609      $ 30,060  
    
 
 
    
 
 
 
Finished goods inventory includes $3.4 million and $4.0 million of demonstration equipment at January 31, 2022 and 2021, respectively.