SHARE-BASED COMPENSATION - Schedule of assumptions of share options granted (Details) - Options - $ / shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
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| SHARE-BASED COMPENSATION | ||
| Risk-free interest rate, Minimum | 4.46% | 4.20% |
| Risk-free interest rate, Maximum | 4.47% | 4.53% |
| Expected volatility, Minimum | 58.91% | 55.58% |
| Expected volatility, Maximum | 59.18% | 56.22% |
| Expected dividend yield | 0.00% | 0.00% |
| Expected terms | 10 years | 10 years |
| Minimum | ||
| SHARE-BASED COMPENSATION | ||
| Exercise multiple | 2.2 | 2.2 |
| Fair value of underlying ordinary share | $ 1.33 | $ 1.87 |
| Maximum | ||
| SHARE-BASED COMPENSATION | ||
| Exercise multiple | 2.8 | 2.8 |
| Fair value of underlying ordinary share | $ 3.61 |
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- Definition The multiple of exercise price of share assumption that is used in valuing an option on its own shares. No definition available.
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- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The minimum risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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