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Note D - Property and Equipment (Tables)
6 Months Ended
Oct. 31, 2018
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   October 31, 2018   April 30, 2018
Land   $
6,402
    $
6,402
 
Buildings and improvements    
11,889
     
11,569
 
Furniture, fixtures and equipment    
13,151
     
12,874
 
Leasehold improvements    
25,001
     
24,567
 
Construction in progress    
1,656
     
1,259
 
Less accumulated depreciation and amortization    
(29,944
)    
(28,077
)
Total   $
28,155
    $
28,594