Note 9 - Stockholders' Equity (Details Textual)	12 Months Ended
Jun. 28, 2020 USD ($)	Jun. 30, 2019 USD ($)
Due from Employees	$ 34,799	$ 34,799
Loans to Employees Term Length (Year)	3 years
Minimum [Member]
Loans to Employees Stated Percentage Rate	1.50%
Maximum [Member]
Loans to Employees Stated Percentage Rate	2.00%
Common Class A [Member]
Common Stock Voting Rights Vote Per Share	1
Common Class B [Member]
Common Stock Voting Rights Vote Per Share	10

For an unclassified balance sheet, amounts due from an Entity employee, not to include stockholders or officers.

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