Note 1 - Organization, Nature of Business, Going Concern and Management's Plans (Details Textual) - USD ($)	3 Months Ended		12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2016	Jun. 30, 2015	Sep. 25, 2014	Jan. 26, 2009
Construction Loan								$ 7,750,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total	$ (561,502)	$ (940,543)	$ (2,659,000)	$ (3,018,000)
Working Capital	(11,224,000)	(15,119,000)
Proceeds from Issuance or Sale of Equity, Total	160,000		$ 897,000	418,000
Payments of Stock Issuance Costs	10,496	$ 38,900
Deferred Compensation Liability, Amount Cancelled				$ 2,404,000
Minimum [Member]
Capital Required for Capital Adequacy	2,500,000
Maximum [Member]
Capital Required for Capital Adequacy	50,000,000
PA-1 [Member]
Debt Instrument, Debt Default, Amount							$ 8,137,117
Property, Plant and Equipment of PA1 [Member]
Impairment of Long-Lived Assets Held-for-use	$ 0				$ 1,684,562	$ 3,750,000