Note 6 - Commitments and Contingencies (Details Textual) - USD ($)	12 Months Ended
	Jun. 28, 2020	Jul. 01, 2019
Operating Lease, Right-of-Use Asset, Amortization Expense	$ 164,586
Operating Lease, Liability, Total	1,824,864	$ 1,977,523
Other Current Liabilities [Member]
Operating Lease, Liability, Current	$ 152,493