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Inventories
12 Months Ended
May 31, 2017
Inventory Disclosure [Abstract]  
Inventories
NOTE 3 Inventories

Total inventories from continuing operations consist of the following:

 

     May 31,  
     2017      2016  
     (Dollars in thousands)  

Raw materials

   $ 7,734      $ 7,198  

Work in process

     4,030        3,447  

Finished goods

     469        736  
  

 

 

    

 

 

 
   $ 12,233      $ 11,381