Note 8 - Income Taxes - Deferred Tax Asset Components (Details) - USD ($)	Jun. 28, 2020	Jun. 30, 2019
Other	$ 11,281	$ 9,169
Total deferred tax assets	11,281	9,169
Land, buildings, and equipment	487,387	447,848
Unrealized gain on securities	850,285	964,828
Total deferred tax liabilities	1,337,672	1,412,676
Net deferred income taxes	$ 1,326,391	$ 1,403,507