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Income Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Income Taxes [Line Items] |  |  |
Capitalized cost | $ 3,100 | $ 2,600 |
Deferred tax assets, valuation allowance | 25,670 | 24,128 |
Net operating loss carryforward | $ 34,600 |  |
Net operating loss, percentage | 80.00% |  |
Unrecognized tax benefits | $ 4,242 | $ 1,606 | $ 1,563
China [Member] |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss carryforwards, foreign | 2,200 |  |
Taiwan [Member] |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss carryforwards, foreign | 9,500 |  |
Hong Kong [Member] |  |  |
Income Taxes [Line Items] |  |  |
Net operating loss carryforwards, foreign | 2,300 |  |
State and Local Jurisdiction [Member] |  |  |
Income Taxes [Line Items] |  |  |
Deferred tax assets, valuation allowance | 25,000 |  |
Net operating loss carryforward | $ 45,800 |  |

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