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Note O - Income Taxes (Details Textual) - USD ($) $ / shares in Thousands, $ in Thousands | 12 Months Ended | 37 Months Ended
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Nov. 30, 2011
Deferred Tax Assets, Tax Credit Carryforwards, Foreign | $ 4,599 | $ 4,599 |  |  |
Deferred Tax Assets, Valuation Allowance | $ 94,996 | 78,124 | $ 69,680 | $ 57,721 |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |  |  |  |
Unrecognized Tax Benefits, Ending Balance | $ 181 | 181 | 181 | 181 |
Income Tax Examination, Penalties and Interest Accrued, Total | 0 | 0 |  |  |
Effective Income Tax Rate Reconciliation, PPP Loan Forgiveness, Amount |  |  |  | $ (1,300) |
Undistributed Earnings of Foreign Subsidiaries | 0 |  |  |  |
Global Technology, Inc. [Member] |  |  |  |  |
Income Tax Holiday, Aggregate Dollar Amount | $ 0 | $ 0 | $ 0 |  |
Income Tax Holiday, Income Tax Benefits Per Share (in dollars per share) | $ 0 | $ 0 | $ 0 |  |
State Administration of Taxation, China [Member] |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 25.00% |  |  |  |
State Administration of Taxation, China [Member] | Global Technology, Inc. [Member] |  |  |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent |  |  |  |  | 15.00%
TAIWAN |  |  |  |  |
Operating Loss Carryforwards | $ 77,700 |  |  |  |
Operating Loss Carryforwards, Carryforward Period (Year) | 10 years |  |  |  |
CHINA |  |  |  |  |
Operating Loss Carryforwards | $ 74,700 |  |  |  |
Operating Loss Carryforwards, Carryforward Period (Year) | 10 years |  |  |  |
Domestic Tax Jurisdiction [Member] |  |  |  |  |
Operating Loss Carryforwards | $ 147,300 |  |  |  |
Operating Loss Carryforwards, Subject to Expiration | 32,700 |  |  |  |
Operating Loss Carryforwards, Not Subject to Expiration | 114,600 |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Research | $ 12,500 |  |  |  |
Open Tax Year | 2021 2022 2023 2024 |  |  |  |
Foreign Tax Jurisdiction [Member] |  |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Foreign | $ 4,600 |  |  |  |
Open Tax Year | 2019 2020 2021 2022 2023 2024 |  |  |  |

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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 PPP loan forgiveness. + References No definition available. + Details
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