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Note 2 - Investments - Investments Schedule (Details) - USD ($)
Oct. 02, 2016
Jul. 03, 2016
Short-term Investments [Member]    
Fair Value $ 485,452 $ 484,558
Cost basis 485,452 484,558
Unrealized Gain
Equity Securities [Member]    
Fair Value 5,703,049 6,001,841
Cost basis 1,279,914 1,285,759
Unrealized Gain 4,423,135 4,716,082
Mutual Fund [Member]    
Fair Value 2,837,679 2,822,615
Cost basis 2,728,910 2,713,860
Unrealized Gain $ 108,769 $ 108,755