Income Taxes - Income tax paid, net of amounts refunded (Details) $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($)
Income Taxes
Mainland China	$ 1,435
United States	2
Total	$ 1,437

No definition available.

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- Definition

Amount, after income tax refund received, of cash paid to federal (national) tax jurisdiction for tax on income.

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- Definition

Amount, after income tax refund received, of cash paid to foreign tax jurisdiction for tax on income.

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- Definition

Amount, after refund, of cash paid to foreign, federal, state, and local jurisdictions as income tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 230
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