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Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2020
Effective Income Tax Rate Reconciliation, Mix of Income in Various Jurisdictions | $ (4,300) | $ 4,300 | $ 5,100 |
Effective Income Tax Rate Reconciliation, Tax Credit, Amount | 14,300 |  |  |
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount | 11,600 |  |  |
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount | 2,700 | 2,200 | 800 |
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount | 11,300 |  |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount | 5,000 |  |  |
Effective Income Tax Rate Reconciliation, US Tax Effects of International Operations | 4,300 |  |  |
Effective Income Tax Rate Reconciliation, Return-to-accrual Adjustments to True-up Up Prior-period Provision Amounts |  | 1,300 |  |
Effective Income Tax Rate Reconciliation, Release of Uncertain Tax Provision Reserves |  | 1,000 | 1,700 |
Effective Income Tax Rate Reconciliation, Disposition of Business, Amount |  |  | 1,200 |
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount | 100 |  |  |
Deferred Tax Liabilities, Previously Undistributed Foreign Earnings | 1,700 |  |  |
Unrecognized Tax Benefits | 9,493 | 9,559 | 9,412 | $ 9,286
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 9,500 |  |  |
Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 1,200 | $ 1,100 |  |
State and Local Jurisdiction [Member] |  |  |  |
Operating Loss Carryforwards | 34,900 |  |  |
Tax Credit Carryforward, Amount | 4,900 |  |  |
Foreign Tax Authority [Member] |  |  |  |
Operating Loss Carryforwards | $ 3,200 |  |  |
Tax Years 2019 and 2020 [Member] |  |  |  |
Income Tax Expense (Benefit), CARES Act |  |  | $ (1,000) |

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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to a mix of income fro various jurisdictions. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to relaease of uncertain rax provision reserves. + References No definition available. + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to Us tax effects of international operations. + References No definition available. + Details
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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 35 -Paragraph 2 -SubTopic 740 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480887/718-740-35-2 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
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