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Cash and Cash Equivalents (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | $ 34,261 | $ 26,783
North America |  |
Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | 1,926 | 1,986
People's Republic of China ("PRC") |  |
Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | 13,413 | 10,117
Asia (excluding the PRC) |  |
Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | 4,107 | 2,343
Europe |  |
Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | 7,542 | 7,035
South America |  |
Cash and Cash Equivalents [Line Items] |  |
Total cash and cash equivalents | $ 7,273 | $ 5,302

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- Definition Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-4 + Details
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