Note 1 - Organization, Nature of Business, Going Concern and Management's Plans (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2018
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total	$ (3,450,765)	$ (4,553,241)
Working Capital	(6,614,000)
Stockholders' Equity Attributable to Parent, Ending Balance	(11,445,456)	(15,129,860)
Proceeds from Issuance or Sale of Equity, Total	5,209,000	$ 1,584,000
Deferred Compensation Liability, Amount Cancelled			$ 2,404,000
Minimum [Member]
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum	5,000,000
Maximum [Member]
Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum	$ 50,000,000