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Note D - Property and Equipment (Tables)
3 Months Ended
Jul. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
(In thousands)
 
July 31, 2014
   
April 30, 2014
 
             
Land
  $ 6,330     $ 6,330  
Buildings and improvements
    11,129       11,116  
Furniture, fixtures and equipment
    10,623       10,293  
Leasehold improvements
    19,802       19,673  
Construction in progress
    2,859       2,344  
Less accumulated depreciation and amortization
    (16,761 )     (15,843 )
                 
Total
  $ 33,982     $ 33,913