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Note D - Property and Equipment (Details) - Property and equipment (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Apr. 30, 2012
Property and equipment [Abstract]    
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