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Inventories
6 Months Ended
Oct. 31, 2014
Inventory Disclosure [Abstract]  
Inventories

C. Inventories

Inventories consisted of the following (in thousands):

 

     October 31, 2014      April 30, 2014  

Finished products

   $ 3,277       $ 2,909   

Work in process

     1,570         1,550   

Raw materials

     7,352         7,479   
  

 

 

    

 

 

 
   $ 12,199       $ 11,938   
  

 

 

    

 

 

 

For interim reporting, LIFO inventories are computed based on year-to-date quantities and interim changes in price levels. Changes in quantities and price levels are reflected in the interim consolidated financial statements in the period in which they occur.