Note 12 - Equipment Loans (Details Textual)	3 Months Ended
Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 CAD ($)	Jun. 30, 2018 USD ($)
Notes Payable, Total	$ 107,794		$ 139,067
Notes Payable, Current, Total	25,749			$ 46,705
Notes Payable, Noncurrent, Total	82,045			$ 149,491
Interest Expense, Debt, Total	$ 2,016	$ 2,154

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

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