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Note D - Property and Equipment (Tables)
9 Months Ended
Jan. 31, 2020
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   January 31, 2020   April 30, 2019
         
Land   $
7,799
    $
7,413
 
Buildings and improvements    
12,535
     
11,815
 
Furniture, fixtures and equipment    
13,977
     
13,307
 
Leasehold improvements    
27,352
     
26,064
 
Construction in progress    
1,498
     
1,523
 
Less accumulated depreciation and amortization    
(34,341
)    
(31,585
)
                 
Total   $
28,820
    $
28,537