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Note 2 - Cash and Cash Equivalents - Cash and Cash Equivalents (Details) - USD ($)
Jul. 01, 2018
Jul. 02, 2017
Jul. 03, 2016
Demand deposits and cash on hand $ 543,932 $ 467,161  
Money market funds 464,501 137,510  
Cash and Cash Equivalents $ 1,008,433 $ 604,671 $ 986,193