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The Company and Summary of Significant Accounting Policies - Reverse Stock Split (Details)
$ in Thousands
 9 Months Ended
Sep. 13, 2024
USD ($)
Aug. 16, 2024
Sep. 30, 2024
USD ($)
Class of Stock      
Stockholders' equity, reverse stock split On August 16, 2024, stockholders approved a reverse stock split at a ratio between 1-for-5 and 1-for-50. On September 4, 2024, the Board of Directors set the final ratio at 1-for-50 for both Class A and Class B Common Stock. The split became effective on September 13, 2024, following the filing of an amendment to the Company’s Certificate of Incorporation in Delaware. No fractional shares were issued; instead, affected stockholders received a cash payment based on the September 13 closing price on Nasdaq, totaling approximately $0.1 million. All outstanding stock options were adjusted accordingly, and all share and per-share amounts in financial statements were retroactively updated to reflect the split.    
Stock split, conversion ratio, approved, range, high end of range   0.2  
Stock split, conversion ratio, approved, range, low end of range   0.02  
Stock split, conversion ratio 0.02    
Cash paid for fractional shares $ 100   $ 78
Class A Common Stock      
Class of Stock      
Stock split, conversion ratio 0.02    
Class B Common Stock      
Class of Stock      
Stock split, conversion ratio 0.02