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Inventories
12 Months Ended
May 31, 2012
Inventories [Abstract]  
Inventories
NOTE 3   Inventories

Total inventories consist of the following:

 

                 
     May 31,  
     2012     2011  
    (Dollars in
thousands)
 

Raw materials

  $ 4,743     $ 5,016  

Work in process

    2,543       3,300  

Finished goods

    1,073       404  
   

 

 

   

 

 

 
    $ 8,359     $ 8,720