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Note D - Property and Equipment (Tables)
12 Months Ended
Apr. 30, 2018
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   April 30, 2018   April 30, 2017
         
Land   $
6,402
    $
6,742
 
Buildings and improvements    
11,569
     
11,972
 
Furniture, fixtures and equipment    
12,874
     
13,143
 
Leasehold improvements    
24,567
     
24,464
 
Construction in progress    
1,259
     
-
 
Accumulated depreciation and amortization    
(28,077
)    
(26,182
)
                 
Property and equipment, net   $
28,594
    $
30,139