Note 9 - Convertible Debentures - Change in Derivative Liabilities (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Derivative liability, Balance			$ 988,463
Derivatives settled upon conversion of debt			(1,198,715)
Derivative liability, Gain on extinguishment of convertible debt	$ 165,985	$ 42,580	(42,056)	$ 76,486
Addition of new derivatives recognized as debt discounts			225,000
Loss on change in fair value of the derivative	608,201	$ 4,995	1,113,147	$ (29,143)
Derivative liability, Balance	$ 1,011,857		1,011,857
Convertible Debt [Member]
Derivative liability, Gain on extinguishment of convertible debt			$ (116,038)