Note 4 - Loans Payable - Affiliates (Details Textual)	9 Months Ended
	Mar. 31, 2020 USD ($) $ / shares shares
Chief Executive Officer [Member]
Due from Affiliates | $	$ 20,000
President [Member]
Due from Affiliates | $	$ 15,000
Number of Shares Per Unit (in shares)	1
Number of Warrants Per Unit (in shares)	1
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in shares)	1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares	$ 0.75
President [Member] | Convert Loan to Units [Member]
Debt Conversion, Converted Instrument, Price Per Unit (in dollars per share) | $ / shares	$ 0.50