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Geographic and Other Information (Tables)
9 Months Ended
Sep. 30, 2024
Segment Reporting [Abstract]  
Schedule of Product Categories
Revenues for the three months ended September 30, 2023 from its previous product categories have been reclassified in order to conform to the current period presentation as follows (in thousands):
 
       MSS      PAS      Total  
Display Solutions
   $ 6,404      $ 6,404      $ —     $ 6,404  
Power Solutions
     45,215        4,240        40,975        45,215  
  
 
 
    
 
 
    
 
 
    
 
 
 
   $ 51,619      $ 10,644      $ 40,975      $ 51,619  
  
 
 
    
 
 
    
 
 
    
 
 
 
Revenues for the nine months ended September 30, 2023 from its previous product categories have been reclassified in order to conform to the current period presentation as follows (in thousands):
 
       MSS      PAS      Total  
Display Solutions
   $ 26,902      $ 26,902      $ —     $ 26,902  
Power Solutions
     127,606        8,906        118,700        127,606  
  
 
 
    
 
 
    
 
 
    
 
 
 
   $ 154,508      $ 35,808      $ 118,700      $ 154,508  
  
 
 
    
 
 
    
 
 
    
 
 
 
Schedule of Operating Segments
The following sets forth information relating to the operating segment, standard products business, as well as the Transitional Fab 3 Foundry Services (in thousands):
 
    
Three Months Ended
    
Nine Months Ended
 
    
September 30,
2024
    
September 30,
2023
    
September 30,
2024
    
September 30,
2023
 
Revenues
           
Standard products business
           
Mixed-Signal Solutions
   $ 16,446      $ 10,644      $ 37,047      $ 35,808  
Power Analog Solutions
     47,574        40,975        123,349        118,700  
  
 
 
    
 
 
    
 
 
    
 
 
 
Total standard products business
     64,020        51,619        160,396        154,508  
Transitional Fab 3 foundry services
     2,440        9,626        8,302        24,721  
  
 
 
    
 
 
    
 
 
    
 
 
 
Total revenues
   $ 66,460      $ 61,245      $ 168,698      $ 179,229  
  
 
 
    
 
 
    
 
 
    
 
 
 
 
    
Three Months Ended
    
Nine Months Ended
 
    
September 30,
2024
    
September 30,
2023
    
September 30,
2024
    
September 30,
2023
 
Gross Profit
           
Standard products business
           
Mixed-Signal Solutions
   $ 6,371      $ 3,069      $ 14,397      $ 11,431  
Power Analog Solutions
     9,249        11,721        22,598        31,069  
  
 
 
    
 
 
    
 
 
    
 
 
 
Total standard products business
     15,620      $ 14,790        36,995      $ 42,500  
Transitional Fab 3 foundry services
     (159      (309      (965      (2,387
  
 
 
    
 
 
    
 
 
    
 
 
 
Total gross profit
   $ 15,461      $ 14,481      $ 36,030      $ 40,113  
  
 
 
    
 
 
    
 
 
    
 
 
 
 
Net Sales by Region, Based on Location of Products are Billed
The following is a summary of net sales—standard products business (which does not include the Transitional Fab 3 Foundry Services) by geographic region, based on the location to which the products are billed (in thousands):
 
    
Three Months Ended
    
Nine Months Ended
 
    
September 30,
2024
    
September 30,
2023
    
September 30,
2024
    
September 30,
2023
 
Korea
   $ 25,062      $ 19,249      $ 63,239      $ 50,139  
Asia Pacific (other than Korea)
     37,046        29,859        91,933        96,784  
United States
     667        1,214        1,313        2,495  
Europe
     1,245        1,297        3,911        5,090  
  
 
 
    
 
 
    
 
 
    
 
 
 
Total
   $ 64,020      $ 51,619      $ 160,396      $ 154,508