Note 8 - Promissory Notes Payable (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Jun. 30, 2019
Proceeds from promissory note			$ 382,367	$ 0
Accretion expense debt			71,173		$ 734,589
Interest expense (notes 7 and 8)	$ (51,991)	$ (50,410)	(99,881)	$ (95,342)
Promissory notes
Proceeds from promissory note			300,000
Warrants issued to lender			400,000
Accretion expense debt	36,085		36,085
Interest expense (notes 7 and 8)	$ 4,100		4,100
Promissory notes two
Proceeds from promissory note			$ 82,365