XML 69 R50.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Share-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of assumptions used to estimate the fair values of the share options granted | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the year ended December 31, |
​ |  | 2021 |  | 2022 |  | 2023 |
Expected volatility | ​ | 48.00% - 74.00 | % | 74.00% – 80.00 | % | 82.00% - 85.00 | %
Risk-free interest rate (per annum) | ​ | 0.97% - 1.55 | % | 1.94% – 3.83 | % | 3.57% - 4.47 | %
Expected dividend yield | ​ | 0.00 | % | 0.00 | % | 0.00 | %
Employee forfeiture rate (per annum) | ​ | 3.80 | % | 3.80% – 3.92 | % | 2.40% - 7.50 | %
Exercise multiples | ​ | 2.50 | ​ | 2.50 | ​ | 2.50 | ​
Expected term | ​ | 7.00 | ​ | 7.00 | ​ | 7.00 | ​
Fair value of underlying ordinary share (per share) | ​ | US$14.10 - 18.42 | ​ | US$18.11 – 19.91 | ​ | US$7.95 - 15.47 | ​
Fair value of awards on valuation date | ​ | US$5.84 - 19.90 | ​ | US$12.93 – 17.11 | ​ | US$5.38 - 10.51 | ​
Schedule of stock option activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​
​ | ​ | ​ | ​ | Weighted | ​ | Weighted | ​ | average | ​ | ​
​ | ​ | Number | ​ | average | ​ | average | ​ | remaining | ​ | Aggregate
​ | ​ | of | ​ | exercise | ​ | grant date | ​ | contract | ​ | intrinsic
​ | ​ | options | ​ | price | ​ | fair value | ​ | life | ​ | value
​ |  | ​ |  | RMB |  | RMB |  | Years |  | RMB
Outstanding at December 31, 2022 | ​ | 9,608,634 | ​ | 12.51 | ​ | 65.93 | ​ | 5.46 | ​ | 1,141,255
Granted | ​ | 2,422,714 | ​ | 14.49 | ​ | 55.08 | ​ | — | ​ | —
Forfeited | ​ | 506,540 | ​ | 44.32 | ​ | — | ​ | — | ​ | —
Exercised | ​ | 1,333,087 | ​ | 16.59 | ​ | — | ​ | — | ​ | 74,380
Outstanding at December 31, 2023 |  | 10,191,721 |  | 16.07 |  | 62.08 |  | 4.97 |  | 517,605
Vested and expected to vest as of December 31, 2023 |  | 10,191,721 |  | 16.07 |  | 62.08 |  | 4.97 |  | 517,605
Exercisable as of December 31, 2023 |  | 5,335,293 |  | 15.74 |  | 50.36 |  | 4.34 |  | 287,997
Schedule of RSUs classified as equity | ​
​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted
​ | ​ | Numbers of | ​ | average grant
​ | ​ | RSUs | ​ | date fair value
​ | ​ | ​ | ​ | RMB
Outstanding at January 1, 2023 | ​ | — | ​ | —
Granted |  | 189,012 |  | 76.52
Forfeited |  | — |  |
Exercised |  | 35,691 |  |
Outstanding at December 31, 2023 |  | 153,321 |  | 76.06
Vested and expected to vest as of December 31, 2023 |  | 153,321 |  | 76.06
Exercisable as of December 31, 2023 |  | — |  | —
Schedule of share-based compensation for all employee share options, restricted share units and tandem award | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | For the Year ended December 31,
​ |  | 2021 |  | 2022 |  | 2023
​ | ​ | RMB | ​ | RMB | ​ | RMB
Cost of revenues |  | 1,813 |  | 8,037 |  | 16,245
Sales and marketing expenses |  | 1,488 |  | 6,291 |  | 20,682
General and administrative expenses |  | 38,892 |  | 48,998 |  | 63,326
Research and development expenses |  | 12,090 |  | 41,893 |  | 134,371
Total |  | 54,283 |  | 105,219 |  | 234,624
​

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (c) -Paragraph 2 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfEmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration