XML 77 R42.htm IDEA: XBRL DOCUMENT
v3.25.1

Share-Based Compensation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |
Summary of stock options valuation assumptions | The assumptions used to estimate the fair values of the share options granted are as follows:
|  | For the years ended December 31,
|  | 2022 |  | 2023 |  | 2024
Risk-free interest rate |  | 1.52%-3.94% |  | 3.48%-4.61% |  | 3.70%-4.57%
Dividend yield |  | 0% |  | 0% |  | 0%
Expected volatility range |  | 48.20%-56.00% |  | 47.9%-50.69% |  | 47.83%-52.04%
Exercise multiple |  | 2.8 |  | N/A |  | N/A
Contractual life |  | 10 years |  | 10 years |  | 10 years
Fair market value per ordinary share as at valuation dates |  | US$0.013-9.29 |  | US$0.93-3.11 |  | US$0.28-0.76
Summary of share options activity | The following table summarizes the share option activities for the year ended December 31, 2024:
|  | Number of options |  |  | Weighted- average exercise price |  |  | Weighted- average grant date fair value |  |  | Weighted average remaining contractual term |  |  | Aggregate intrinsic value |
|  |  |  |  | US$ per option |  |  | US$ per option |  |  | Years |  |  | US$ |
Outstanding, January 1, 2024 |  |  | 21,005,541 |  |  |  | 1.7560 |  |  |  | 7.84 |  |  |  | 5.61 |  |  |  | 10,441 |
Granted |  |  | 1,395,408 |  |  |  | 0.0002 |  |  |  | 0.74 |  |  |  |  |  |  |  |  |
Exercised |  |  | (5,173,523 | ) |  |  | 0.0002 |  |  |  | 24.30 |  |  |  |  |  |  |  |  |
Forfeited |  |  | (2,287,481 | ) |  |  | 1.5826 |  |  |  | 1.59 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2024 |  |  | 14,939,945 |  |  |  | 2.2266 |  |  |  | 2.43 |  |  |  | 7.72 |  |  |  | 4,238 |
Vested and expected to vest at December 31, 2024 |  |  | 14,939,945 |  |  |  | 2.2266 |  |  |  | 2.43 |  |  |  | 7.72 |  |  |  | 4,238 |
Exercisable at December 31, 2024 |  |  | 1,251,990 |  |  |  | 2.9451 |  |  |  | 16.82 |  |  |  | 5.05 |  |  |  | 901 |
Summary of restricted shares activities | The following table summarizes the restricted shares unit activities for the year ended December 31, 2024:
|  | Number of shares |  |  | Weighted- average grant date fair value |  |  | Weighted average remaining contractual term |  |  | Aggregate intrinsic value |
|  |  |  |  | US$ per unit |  |  | Years |  |  | US$ |
Outstanding, December 31, 2023 |  |  | 31,330 |  |  |  | 2.43 |  |  |  | 8.72 |  |  |  | 33 |
Vested |  |  | (31,330 | ) |  |  | 2.43 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2024 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Vested and expected to vest at December 31, 2024 |  |  | 25,267 |  |  |  | 2.34 |  |  |  | 7.47 |  |  |  | 19 |
Summary of share-based compensation expenses | Total share-based compensation expenses recognized for the years ended December 31, 2022, 2023 and 2024 were as follows:
|  | For the years ended December 31, |
|  | 2022 |  |  | 2023 |  |  | 2024 |
|  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Cost of revenues |  |  | 1,783 |  |  |  | 2,313 |  |  |  | 1,869 |  |  |  | 256 |
Research and development expenses |  |  | 52,873 |  |  |  | 53,474 |  |  |  | 30,677 |  |  |  | 4,203 |
Selling and marketing expenses |  |  | 8,525 |  |  |  | 9,658 |  |  |  | 5,010 |  |  |  | 686 |
General and administrative expenses |  |  | 263,603 |  |  |  | 195,274 |  |  |  | 118,066 |  |  |  | 16,175 |
|  |  | 326,784 |  |  |  | 260,719 |  |  |  | 155,622 |  |  |  | 21,320 |

X
- 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. + References No definition available. + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
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 cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -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