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Note D - Property and Equipment (Tables)
9 Months Ended
Jan. 31, 2016
Notes Tables  
Property, Plant and Equipment [Table Text Block]
(In thousands)   January 31, 2016   April 30, 2015
Land   $ 6,711     $ 6,245  
Buildings and improvements     11,880       11,509  
Furniture, fixtures and equipment     15,118       13,486  
Leasehold improvements     22,652       21,023  
Construction in progress     917       1,235  
Less accumulated depreciation and amortization     (21,665 )     (19,535 )
Total   $ 35,613     $ 33,963