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Warrants - Fair value measurements assumptions (Details) - Private Warrants | Jun. 30, 2025 Y $ / shares | Dec. 31, 2024 Y $ / shares
--- | --- | ---
Exercise price |  |
Warrants |  |
Measurement input | 11.5 | 11.5
Share price |  |
Warrants |  |
Measurement input | 6.6 | 1.12
Volatility |  |
Warrants |  |
Measurement input | 1.0171 | 1.0897
Term (years) |  |
Warrants |  |
Measurement input | Y | 1.19 | 1.69
Risk-free rate |  |
Warrants |  |
Measurement input | 0.0384 | 0.0414
Dividend yield |  |
Warrants |  |
Measurement input | 0 | 0

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- Definition Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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