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NOTE F - INVENTORIES
6 Months Ended
Oct. 31, 2017
Inventory Disclosure [Abstract]  
Inventory Disclosure [Text Block]
NOTE F – INVENTORIES

Inventories, which are reported at the lower of cost or market, consist of the following: 

 
 
October 31, 2017
   
April 30, 2017
 
 
 
(In thousands)
 
Raw Materials and Component Parts
 
$
18,552
   
$
17,702
 
Work in Progress
   
8,233
     
7,340
 
Finished Goods
   
4,425
     
4,009
 
 
 
$
31,210
   
$
29,051
 

As of October 31, 2017 and April 30, 2017, approximately $30.2 million and $28.2 million, respectively, of total inventory is located in the United States and $1 million and $0.8 million, respectively, is located in China. The Company buys inventory in bulk quantities which may be used over significant time periods; due to its nature the inventory does not deteriorate.