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Note D - Property and Equipment (Tables)
9 Months Ended
Jan. 31, 2017
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   January 31, 2017   April 30, 2016
         
Land   $
6,738
    $
6,711
 
Buildings and improvements    
11,976
     
11,928
 
Furniture, fixtures and equipment    
13,233
     
14,941
 
Leasehold improvements    
24,347
     
23,308
 
Construction in progress    
291
     
250
 
Less accumulated depreciation and amortization    
(25,272
)    
(22,383
)
                 
Total   $
31,313
    $
34,755