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Note 13 - Income Taxes (Details Textual) - USD ($) | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021
--- | --- | --- | ---
Deferred Tax Assets, Valuation Allowance | $ 24,000 | $ (0) |
Liability for Uncertainty in Income Taxes, Current | 496,000 |  |
Unrecognized Tax Benefits | 496,000 | 379,000 | $ 0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 166,000 | $ 86,000 |
Domestic Tax Authority [Member] | Internal Revenue Service (IRS) [Member] |  |  |
Operating Loss Carryforwards | 0 |  |
Tax Credit Carryforward, Amount | 0 |  |
Foreign Tax Authority [Member] | Canada Revenue Agency [Member] |  |  |
Operating Loss Carryforwards | 91,000 |  |
Tax Credit Carryforward, Amount | $ 0 |  |

X
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-2 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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- Definition Amount accrued 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 15 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-15 + Details
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