Note 5 - Deferred Compensation (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019
Deferred Compensation Liability, Current, Total	$ 652,367	$ 874,162	$ 652,367	$ 874,162	$ 874,162
Interest Rate on Deferred Compensation	4.00%		4.00%
Deferred Compensation Conversion Days (Day)			5 days
Deferred Compensation Consecutive Trading Days (Day)			10 days
Interest Expense, Total	$ 103,084	100,282	$ 363,424	290,082
Interest Expense on Deferred Compensation Obligation [Member]
Interest Expense, Total			18,498	14,344
Interest Expense, Related Party			10,301	11,048
Chief Executive Officer [Member]
Deferred Compensation Liability, Current, Total	97,946	447,019	97,946	447,019
Deferred Compensation, Convertible to Common Stock	$ 300,000		$ 300,000
Deferred Compensation, Convertible to Common Stock, Price Per Share (in dollars per share)	$ 0.75		$ 0.75
Deferred Compensation, Transfer to Convertible Notes			$ 436,508
President [Member]
Deferred Compensation Liability, Current, Total	$ 36,180	79,016	36,180	79,016
Deferred Compensation, Converted to Units, Amount			$ 3,828
Deferred Compensation, Loan Payable, and Accounts Payable Converted to Units, Price Per Unit (in dollars per share)	$ 0.50		$ 0.50
Deferred Compensation, Transfer to Convertible Notes			$ 199,573
Consultants [Member]
Deferred Compensation Liability, Current, Total	$ 445,741	$ 244,603	$ 445,741	$ 244,603
Interest Rate on Deferred Compensation	3.00%		3.00%
Former Employee [Member]
Deferred Compensation Liability, Current, Total	$ 72,500		$ 72,500