Note 4 - Deferred Compensation (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020
Deferred Compensation Liability, Current, Total	$ 998,474	$ 537,119	$ 998,474	$ 537,119	$ 998,474	$ 537,119	$ 778,217
Interest Rate on Deferred Compensation	4.00%		4.00%		4.00%
Deferred Compensation Conversion Days (Day)			5 days
Deferred Compensation Consecutive Trading Days (Day)			10 days
Interest Expense, Total	$ 303,171	142,738			$ 407,511	260,340
Interest Expense on Deferred Compensation Obligation [Member]
Interest Expense, Total			$ 12,476	14,662
Interest Expense, Related Party			5,159	9,494
Chief Executive Officer [Member]
Deferred Compensation Liability, Current, Total	307,260	49,318	307,260	49,318	307,260	49,318
Deferred Compensation, Convertible to Common Stock	$ 300,000		$ 300,000		$ 300,000
Deferred Compensation, Convertible to Common Stock, Price Per Share (in dollars per share)	$ 0.75		$ 0.75		$ 0.75
President [Member]
Deferred Compensation Liability, Current, Total	$ 71,699		$ 71,699		$ 71,699
Deferred Compensation, Converted to Units, Amount			$ 37,961
Deferred Compensation, Loan Payable, and Accounts Payable Converted to Units, Price Per Unit (in dollars per share)	$ 0.50		$ 0.50		$ 0.50
Consultants [Member]
Deferred Compensation Liability, Current, Total	$ 547,015	$ 415,301	$ 547,015	$ 415,301	$ 547,015	$ 415,301
Interest Rate on Deferred Compensation	3.00%		3.00%		3.00%
Former Employee [Member]
Deferred Compensation Liability, Current, Total	$ 72,500		$ 72,500		$ 72,500