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Inventories (Tables)
 12 Months Ended
Feb. 28, 2021
Inventories
Inventories consisted of the following (in thousands):
 
 
 
February 28,
 
 
February 29,
 
 
  
2021
 
  
2020

 
Raw materials
  
$
  2,888
 
  $ 3,497 
Work-in-process
  
 
1,166
 
   773 
Finished goods
  
 
771
 
   1,006 
   
 
 
   
 
 
 
   
4,825
   5,276 
Reserves for obsolescence
  
 
(798
) 
   (796) 
   
 
 
   
 
 
 
   
$
4,027
 
  $4,480 
   
 
 
   
 
 
 
Roll forward of Inventory Reserves
The following is a roll forward of the inventory reserves (in thousands):
 
Description
  Balance at
Beginning
of Period		   Additions:
Charged to
Costs and
Expenses		   Deductions  Balance at
End of
Period		 
February 28, 2021
  $ 796   $  94   $
(92
) 
 
 $798 
February 29, 2020
  $859   $55   $
(118
)  $796