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PROPERTY, PLANT AND EQUIPMENT (Tables)
9 Months Ended
Jan. 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):
 
 
 
January 31,
 
April 30,
 
 
 
2015
 
2014
 
 
 
 
 
 
 
 
 
Land, buildings and improvements
 
$
19,820
 
$
20,191
 
Furniture and equipment
 
 
19,558
 
 
19,368
 
 
 
 
39,378
 
 
39,559
 
Less accumulated depreciation
 
 
(23,585)
 
 
(22,337)
 
 
 
$
15,793
 
$
17,222