v3.26.1
Related-party Transactions (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement [line items]      
Sales of goods $ 103 $ 65 $ 119
Accounts receivable 10 31  
Miscellaneous fee   11 458
Other payable 364 0  
Current receivables due from related parties 22 13  
Accounts related payable 138,683 113,203  
Cheng Mei Materials Technology Corporation      
Statement [line items]      
Purchase of raw materials     1,258
Miscellaneous fee     458
Accounts related payable 0    
Associates      
Statement [line items]      
Sales of goods 103 54 8
Accounts receivable 10    
Revenue from miscellaneous service 58 92 78
Miscellaneous fee   11  
Other receivable 22 13  
Other payable $ 364    
Viewsil Microelectronics (Kunshan) Limited      
Statement [line items]      
Technical service fee     1,140
Other related parties      
Statement [line items]      
Sales of goods   11 $ 111
Accounts receivable   $ 31