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Note 12 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Liability for Uncertainty in Income Taxes, Current	$ 891,000	$ 785,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 421,000	$ 277,000
Domestic Tax Jurisdiction [Member]
Open Tax Year	2021 2022 2023 2024
Domestic Tax Jurisdiction [Member] | Internal Revenue Service (IRS) [Member]
Tax Credit Carryforward, Amount	$ 4,800,000
Operating Loss Carryforwards	$ 0
Foreign Tax Jurisdiction [Member]
Open Tax Year	2019 2020 2021 2022 2023 2024
Foreign Tax Jurisdiction [Member] | Canada Revenue Agency [Member]
Tax Credit Carryforward, Amount	$ 0
Operating Loss Carryforwards	$ 0

X

- Definition

Amount recognized for uncertainty in income taxes classified as current.

+ References

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-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(20))
-Publisher FASB
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Tax year that remains open to examination under enacted tax laws, in YYYY format.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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