v3.25.2

Treasury stock (Details) - USD ($) $ / shares in Units, $ in Millions		6 Months Ended	12 Months Ended
	Nov. 12, 2024	Jun. 30, 2025	Dec. 31, 2024	Nov. 15, 2025
Treasury stock
Stock repurchased during period		15,000	15,000
Treasury stock, shares		2,167,600	2,167,600
Maximum
Treasury stock
Stock repurchased during period, value	$ 5.0
Maximum \| Subsequent Event
Treasury stock
Share price per share				$ 5.5

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.

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

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- Definition

Number of previously issued common shares repurchased by the issuing entity and held in treasury.

+ References

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-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-Publisher FASB
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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- Definition

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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CHINA AUTOMOTIVE SYSTEMS INC 10-Q