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No definition available.

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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.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue recognition, Income taxes (Details) ¥ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Revenue, net	$ 129			$ 31,535
Income tax expenses	(2,733)		$ (931)	(228)
Income taxes uncertain tax positions	0		0
Income taxes interest or penalties	$ 0		$ 0	0
PRC
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Income tax limitations extended period	5 years	5 years
Income tax expenses	$ 14	¥ 100
Used-car sales
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Revenue, net				1,420
New-car wholesales
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Revenue, net				30,048
Technical services
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Revenue, net	$ 129			$ 67