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v3.25.1

Principal Activities, Basis of Presentation, and Summary of Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 USD ($) Segment $ / shares | Dec. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($) $ / shares
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Maximum estimated service period for players | 6 months |  |
Government subsidies | $ 0 | $ 0 | $ 44
Government Assistance, Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other Nonoperating Income (Expense) | Other Nonoperating Income (Expense) | Other Nonoperating Income (Expense)
Basic loss per share | $ / shares | $ 0.21 | $ 0.31 | $ 0.25
Diluted loss per share | $ / shares | $ 0.21 | $ 0.31 | $ 0.25
Number of operating segments | Segment | 1 |  |
Selling and Marketing Expenses |  |  |
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Advertising expenses | $ 100 | $ 200 | $ 200
Minimum | Capitalized software development cost |  |  |
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite lived intangible assets, useful life | 1 year |  |
Maximum | Capitalized software development cost |  |  |
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite lived intangible assets, useful life | 3 years |  |
Prepaid Licensing and Royalty Fees | Minimum |  |  |
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite lived intangible assets, useful life | 1 year |  |
Prepaid Licensing and Royalty Fees | Maximum |  |  |
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Finite lived intangible assets, useful life | 2 years |  |
Performance Bonds | Restricted Cash |  |  |
Description Of Business Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |
Escrow accounts | $ 313 | $ 313 |

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