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6. INVENTORIES (Tables)
3 Months Ended
Aug. 31, 2012
Inventories Tables  
Inventories

 

Inventories are comprised of the following (in thousands):                                                                          

  

    August 31,   May 31,
    2012   2012
Raw materials and sub-assemblies   $ 3,652   $ 3,218
Work in process     3,057     2,657
Finished goods     1     195
    $ 6,710   $ 6,070