Note 8 - Stockholders' Equity (Details Textual)		3 Months Ended		12 Months Ended
	Jul. 01, 2014 $ / shares shares	Sep. 30, 2019 USD ($) $ / shares shares	Sep. 30, 2018 USD ($) shares	Jun. 30, 2019 USD ($) $ / shares shares	Jun. 30, 2018 USD ($) $ / shares shares
Common Stock Voting Rights Votes Per Share		1
Shares Held by Subsidiaries				704,309	704,309
Stock Issued During Period, Value, Issued for Services | $		$ 16,350	$ 10,952
Proceeds from the Sale of Units | $		$ 159,957	416,999
Adjustments to Additional Paid in Capital, Warrant Issued | $			3,750
Weighted Average Exercise Price for Outstanding Warrants | $ / shares		$ 0.93
Weighted Average Remaining Contractual Life for Outstanding Warrants		3 years 73 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | $			80,500
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount | $		$ 0
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		30,000,000
Share-based Payment Arrangement, Expense | $			$ 95,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			325,000
Subscription Agreement [Member]
Share Price | $ / shares		$ 0.75
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.50		$ 0.50
Number of Shares Per Unit		1
Number of Warrants Per Unit		1		1
Sale of Units, Number Of Units Issued		18,000
Proceeds from the Sale of Units | $		$ 9,000
Proceeds from Sale of Units, Net of Commissions | $		$ 8,100
Stock Issued During Period, Shares, New Issues		18,000
Class of Warrant or Right, Issued During Period		9,000
Warrant Fair Value Price Per Share | $ / shares		$ 0.05
Adjustments to Additional Paid in Capital, Warrant Issued | $		$ 333
Adjustments to Additional Paid in Capital, Other | $		$ 8,667
Warrant Component of Equity Unit, Number of Shares of Restricted Common Stock Called by Each Warrant				0.5
Subscription Agreement [Member] | Restricted Stock [Member]
Number of Shares Per Unit		1		1
Subscription Agreement Two [Member]
Share Price | $ / shares		$ 0.75
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.50
Number of Warrants Per Unit		1
Sale of Units, Number Of Units Issued		301,914
Proceeds from the Sale of Units | $		$ 150,957
Proceeds from Sale of Units, Net of Commissions | $		$ 141,361
Stock Issued During Period, Shares, New Issues		301,914
Class of Warrant or Right, Issued During Period		301,914
Warrant Fair Value Price Per Share | $ / shares		$ 0.05
Adjustments to Additional Paid in Capital, Warrant Issued | $		$ 6,751
Adjustments to Additional Paid in Capital, Other | $		$ 144,206
Warrant Component of Equity Unit, Number of Shares of Restricted Common Stock Called by Each Warrant		1
Subscription Agreement Two [Member] | Restricted Stock [Member]
Number of Shares Per Unit		1
Minimum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 0.60
Class of Warrant or Right, Outstanding		17,000,000
Maximum [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares		$ 2
Maximum [Member] | Share-based Payment Arrangement, Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period		10 years
Employees and Consultants [Member]
Stock Issued During Period, Shares, Issued for Services		29,000
Stock Issued During Period, Value, Issued for Services | $		$ 16,350
Employees and Consultants [Member] | Minimum [Member]
Share Price | $ / shares		$ 0.48
Employees and Consultants [Member] | Maximum [Member]
Share Price | $ / shares					$ 0.75
Centerpoint [Member]
Shares Held by Subsidiaries		704,309
Series B Preferred Stock [Member]
Preferred Stock, Shares Outstanding, Ending Balance	200	200		200
Preferred Stock, Par or Stated Value Per Share | $ / shares	$ 0.01	$ 0.01		$ 0.01
Preferred Stock, Convertible Option Per Share | $ / shares	$ 2
Preferred Stock, Dividend Rate, Percentage	2.50%
Preferred Stock, Redemption Price Per Share | $ / shares	$ 100
Convertible Preferred Stock Redemption Period	3 years
Dividends, Preferred Stock, Total | $		$ 500		$ 2,000	$ 2,000
Dividends Payable | $		$ 16,500