Note 12 - Equipment Loans (Details Textual)	3 Months Ended	6 Months Ended
Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2018 CAD ($)	Jun. 30, 2018 USD ($)
Notes Payable, Total	$ 96,149		$ 96,149		$ 130,901
Notes Payable, Current, Total	24,675		24,675			$ 46,705
Notes Payable, Noncurrent, Total	71,474		71,474			$ 149,491
Interest Expense, Debt, Total	$ 1,133	$ 2,712	$ 3,137	$ 4,866

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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