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INVENTORIES
6 Months Ended
Nov. 30, 2011
Notes to Financial Statements  
INVENTORIES

6. INVENTORIES

 

Inventories are comprised of the following (in thousands):

 

   November 30,  May 31,
   2011  2011
Raw materials and sub-assemblies  $2,450   $1,992 
Work in process   2,577    2,699 
Finished goods   552    267 
   $5,579   $4,958