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INVENTORIES
9 Months Ended
Feb. 29, 2012
Notes to Financial Statements  
INVENTORIES

6. INVENTORIES

 

Inventories are comprised of the following (in thousands):

 

 

 

February 29,  May 31, 
  2012  2011 
Raw materials and sub-assemblies $2,242  $1,992 
Work in process  2,830   2,699 
Finished goods  578   267 
  $5,650  $4,958