Note 11 - Related Party Transactions (Details Textual) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Stock Issued During Period, Value, Issued for Services			$ 16,350	$ 13,904
Coalition for Affordable Bay Solutions [Member]
Related Party Transaction, Reimbursements	$ 0	$ 0		30,000
Payments for Consulting Expenses	$ 26,920	$ 0	$ 39,820	$ 0
Stock Issued During Period, Shares, Issued for Services				16,000
Stock Issued During Period, Value, Issued for Services				$ 8,000