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Inventories (Tables)
6 Months Ended
Aug. 31, 2022
Inventories
Inventories are stated at the lower of cost (first in, first out) or market and consisted of the following (in thousands):
 

 
  
August 31,
 
  
February 28,
 
 
  
2022
 
  
2022
 
Raw materials
  
$
1,627
 
  
$
2,037
 
Work-in-process
  
 
920
 
  
 
846
 
Finished goods
  
 
339
 
  
 
459
 
    
 
 
    
 
 
 
    
$
2,886
 
  
$
3,342