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Inventories
6 Months Ended
Nov. 30, 2013
Inventory Disclosure [Abstract]  
Inventories

NOTE 4 Inventories

Total inventories consist of the following:

 

     November 30,
2013
     May 31,
2013
 
     (Dollars in thousands)  

Raw materials

   $ 5,833       $ 5,104   

Work in process

     2,509         2,863   

Finished goods

     1,623         765   
  

 

 

    

 

 

 
   $ 9,965       $ 8,732