Note 14 - Income Taxes (Details Textual) - USD ($)	3 Months Ended	9 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 300,000		$ 300,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total	0	$ 0
Income Tax Expense (Benefit)	$ (29,746)	$ 420,940	$ 304,920	$ 743,628
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Open Tax Year	2018 2019 2020 2021 2022
Foreign Tax Authority [Member] \| New Zealand Revenue Agency [Member]
Open Tax Year	2018 2019 2020 2021 2022

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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