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Note G - Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Federal, State and Local Income Tax Expense (Benefit), Gross, Continuing Operations | $ 2,000 | $ 600
Operating Loss Carryforwards | $ 3,400 |
Effective Income Tax Rate Reconciliation, Percent, Total | 21.60% | 11.30%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount | $ 0 |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |
Fiscal Years After June 30, 2021 [Member] |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |
Foreign Tax Authority [Member] | Swiss Federal Tax Administration (FTA) [Member] |  |
Effective Income Tax Rate Reconciliation, Percent, Total | 20.00% |

X
- Definition Amount before valuation allowance of current and deferred federal, state and local income tax expense (benefit) attributable to income (loss) from continuing operations. + References No definition available. + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI https://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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