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Note 6 - Income Taxes (Details Textual) | Jun. 30, 2023 USD ($)
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Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability | $ 9,100,000
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability, Noncurrent | 5,100,000
Domestic Tax Authority [Member] |
Deferred Tax Assets, Valuation Allowance, Total | 0
State and Local Jurisdiction [Member] |
Operating Loss Carryforwards | 438,000
Foreign Tax Authority [Member] |
Operating Loss Carryforwards | $ 1,400,000

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- Definition Amount of tax liability from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//740/tableOfContent + Details
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