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6. INVENTORIES (Tables)
6 Months Ended
Nov. 30, 2012
Inventories Tables  
Inventories

 

 Inventories are comprised of the following (in thousands):

 

 

 

  November 30,   May 31,
   2012   2012
Raw materials and sub-assemblies $ 3,709   $ 3,218
Work in process   2,718     2,657
Finished goods   17     195
  $ 6,444   $ 6,070