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Note D - Property and Equipment (Tables)
12 Months Ended
Apr. 30, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   April 30, 2020   April 30, 2019
         
Land   $
7,799
    $
7,413
 
Buildings and improvements    
12,678
     
11,815
 
Furniture, fixtures and equipment    
14,118
     
13,307
 
Leasehold improvements    
27,519
     
26,064
 
Construction in progress    
3,186
     
1,523
 
Accumulated depreciation and amortization    
(35,160
)    
(31,585
)
                 
Property and equipment, net   $
30,140
    $
28,537