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Business Segments, Concentration of Credit Risk and Significant Customers (Tables)
 6 Months Ended
Jun. 30, 2023
Business Segments, Concentration of Credit Risk and Significant Customers [Abstract]  
Schedule of Company Recognized Revenue The Company recognized revenue from shipments of product, licensing of its technologies and performance of services to customers by geographical location as follows (in thousands):
   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2023   2022   2023   2022 
United States  $1,421   $3,127   $4,510   $5,503 
Taiwan   562    204    1,991    515 
China   147    587    293    879 
Japan   2    245    14    537 
Rest of world   271    121    628    253 
Total net revenue  $2,403   $4,284   $7,436   $7,687 
Schedule of Breakdown of Product Revenue by Category The following is a breakdown of product revenue by category (in thousands):
(amounts in thousands)  Three Months Ended
June 30,		   Six Months Ended
June 30,		 
Product category  2023   2022   2023   2022 
Memory ICs  $1,616   $1,872   $3,798   $3,781 
mmWave ICs   559    678    2,038    1,165 
mmWave antenna modules   60    1,552    1,283    2,360 
mmWave other products   -    18    4    18 
   $2,235   $4,120   $7,123   $7,324 
Schedule of Customers of Total Net Revenue Customers who accounted for at least 10% of total net revenue were:
   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2023   2022   2023   2022 
Customer A   46%   *    27%   * 
Customer D   23%   *    26%   * 
Customer B   *    36%   15%   31%
Customer C   *    14%   *    11%
Customer E   *    *    12%   * 
* Represents less than 10%