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Principal Activities, Basis of Presentation, and Summary of Significant Accounting Policies - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
Segment
$ / shares
Dec. 31, 2022
USD ($)
$ / shares
Dec. 31, 2021
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 $ 44 $ 0
Government Assistance, 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 $ 0.31 $ 0.25 $ 0.31
Diluted loss per share | $ / shares $ 0.31 $ 0.25 $ 0.31
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 $ 200 $ 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