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The Company and its Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) | 12 Months Ended |
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Dec. 31, 2024 | Dec. 31, 2023
The Company and its Significant Accounting Policies |  |
Amount of cash insured | $ 0 | $ 94,000
Excess of the federal deposit insurance corporation | 250,000 |
China |  |
The Company and its Significant Accounting Policies |  |
Cash uninsured | 1,300,000 | 1,100,000
Singapore |  |
The Company and its Significant Accounting Policies |  |
Cash uninsured | 420,000 | 1,100,000
Hong Kong |  |
The Company and its Significant Accounting Policies |  |
Cash uninsured | 12,000 | 40,000
United Kingdom |  |
The Company and its Significant Accounting Policies |  |
Cash uninsured | $ 0 | $ 132,000

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- Definition The amount of cash deposited in financial institutions as of the balance sheet date that is insured by the Federal Deposit Insurance Corporation. + References No definition available. + Details
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