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Note D - Property and Equipment (Tables)
12 Months Ended
Apr. 30, 2013
Property, Plant and Equipment Disclosure [Abstract]  
Property, Plant and Equipment [Table Text Block]
(In thousands)
 
April 30, 2013
   
April 30, 2012
 
             
Land
  $ 6,211     $ 6,079  
Buildings and improvements
    10,715       10,275  
Furniture, fixtures and equipment
    9,956       8,904  
Leasehold improvements
    15,874       12,368  
Construction in progress
    1,246       1,063  
Less accumulated depreciation and amortization
    (13,821 )     (11,142 )
                 
    $ 30,181     $ 27,547