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Note N - Income Taxes - Reconciliation of U.S. Federal Income Taxes to Actual Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2021 | Jun. 30, 2020
U.S. federal income tax at 21% | $ (2,066) | $ (9,185)
Increases (reductions) in tax resulting from: |  |
Foreign tax items | 552 | 236
State taxes | (440) | (716)
Change in prior year estimate | (1,138) | (213)
Nondeductible PPP loan expenses | (1,722) | 0
Research and development tax credits | (336) | (412)
Goodwill impairment | 0 | 4,814
Unrecognized tax benefits | 59 | 9
Stock compensation | 252 | (93)
Rate changes | 18 | 237
Deferred tax basis adjustments | 42 | (138)
GILTI inclusion | 0 | 1,220
Valuation allowance | 24,420 | 0
Other, net | 39 | 72
Income tax (benefit) expense | $ 19,680 | $ (4,169)

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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 global intangible low taxed income ("GILTI"). + References No definition available. + Details
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