Note 11 - Loans - Property and Equipment (Details Textual)	3 Months Ended		6 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 CAD ($)	Jun. 30, 2022 USD ($)
Notes Payable, Current, Total	$ 33,384		$ 33,384			$ 33,496	[1]
Notes Payable, Noncurrent, Total	427,490		427,490			459,178	[1]
Note Payable on Office Land and Building [Member]
Notes Payable, Total	340,784		340,784		$ 461,402
Notes Payable, Current, Total	14,710		14,710			15,135
Notes Payable, Noncurrent, Total	326,074		326,074			350,293
Interest Expense, Debt, Total	3,646	$ 4,026	7,230	$ 8,014
Loans Under Solar Energy System Finance Lease [Member]
Notes Payable, Current, Total	18,674		18,674			18,360
Notes Payable, Noncurrent, Total	$ 101,416		$ 101,416			$ 108,885

[1] Derived from audited financial statements