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Cash and Cash Equivalents, As well As Restricted, Cash in Bank Accounts Jurisdictions of Major Financial Institutions (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Cash and Cash Equivalents [Line Items] |  |
Cash and cash equivalents and Restricted cash | $ 41,761 | $ 46,002
Taiwan |  |
Cash and Cash Equivalents [Line Items] |  |
Cash and cash equivalents and Restricted cash | 41,182 | 42,040
Hong Kong |  |
Cash and Cash Equivalents [Line Items] |  |
Cash and cash equivalents and Restricted cash | 564 | 3,946
China |  |
Cash and Cash Equivalents [Line Items] |  |
Cash and cash equivalents and Restricted cash | $ 15 | $ 16

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- Definition Cash and cash equivalents, at carrying value, including restricted cash and discontinued operations. + References No definition available. + Details
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Balance Type: | debit
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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- Details
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