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PROPERTY, PLANT AND EQUIPMENT (Tables)
3 Months Ended
Jul. 31, 2015
Property, Plant and Equipment Disclosure [Abstract]  
Property, Plant and Equipment [Table Text Block]
Property, plant and equipment, net consist of the following (in thousands):
 
 
 
July 31,
 
April 30,
 
 
 
2015
 
2015
 
 
 
 
 
 
 
 
 
Land, buildings and improvements
 
$
20,003
 
$
20,000
 
Furniture and equipment
 
 
18,797
 
 
19,098
 
 
 
 
38,800
 
 
39,098
 
Less accumulated depreciation
 
 
(23,333)
 
 
(23,335)
 
 
 
$
15,467
 
$
15,763