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Note D - Property and Equipment (Tables)
12 Months Ended
Apr. 30, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   April 30, 2016   April 30, 2015
Land   $ 6,711     $ 6,245  
Buildings and improvements     11,928       11,509  
Furniture, fixtures and equipment     14,941       13,486  
Leasehold improvements     23,308       21,023  
Construction in progress     250       1,235  
Accumulated depreciation and amortization     (22,383 )     (19,535 )
    $ 34,755     $ 33,963