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Business Segments, Concentration of Credit Risk and Significant Customers (Tables)
 6 Months Ended
Jun. 30, 2025
Business Segments, Concentration of Credit Risk and Significant Customers [Abstract]  
Schedule of Segment Expenses and Other Segment Items The following table presents the significant segment expenses and other segment items regularly reviewed by the CODM:
   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2025   2024   2025   2024 
Total net revenue  $2,220   $4,238   $6,089   $7,054 
                     
Less:                    
Cost of net revenue   1,147    1,887    2,336    3,397 
Research and development   610    979    1,214    2,058 
Salaries   1,518    1,562    2,962    3,135 
Stock-based compensation   141    1,155    266    2,376 
Severance and software license obligations   (223)   2,041    (223)   2,063 
Other operating expenses   804    1,089    1,825    2,131 
Other (income) expense, net   52    (50)   9    (1,650)
Net loss  $(1,829)  $(4,425)  $(2,300)  $(6,456)
Schedule of Services to Customers by Geographical Location

The Company recognized revenue from shipments of products, licensing of its technologies and performance of services to customers by geographical destination as follows (in thousands):

 

   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2025   2024   2025   2024 
Europe  $1,204   $561   $1,733   $755 
Taiwan   570    71    1,590    161 
North America   8    3,308    1,779    5,539 
Hong Kong   2    234    8    446 
Rest of the world   436    64    979    153 
Total net revenue  $2,220   $4,238   $6,089   $7,054 
Schedule of Breakdown of Product Revenue by Category

The following is a breakdown of product revenue by category (in thousands):

 

   Three months Ended
June 30,		   Six Months Ended
June 30,		 
Product category  2025   2024   2025   2024 
Memory ICs  $
—
   $3,428   $2,267   $5,811 
mmWave ICs   1,318    127    2,293    204 
mmWave modules   886    553    1,444    757 
mmWave other products   14    1    14    13 
   $2,218   $4,109   $6,018   $6,785 
Schedule of Concentration of Credit Risk

The following table lists significant customers that represented more than 10% of total revenue during each respective period:

 

   Three Months Ended
June 30,		   Six Months Ended
June 30,		 
   2025   2024   2025   2024 
Customer A   32%   
*
    12%   
*
 
Customer B   21%   12%   15%   
*
 
Customer C   17%   
*
    
*
    
*
 
Customer D   17%   
*
    
*
    
*
 
Customer E   
*
    
*
    19%   
*
 
Customer F   
*
    55%   26%   53%
Customer G   
*
    24%   
*
    23%

 

* Represents less than 10%

 

The following table lists significant customers that represented more than 10% of the net accounts receivable balance at each respective balance sheet date:

 

   June 30,   December 31, 
   2025   2024 
Customer A   71%   
*
 
Customer B   21%   
*
 
Customer C   
*
    58%
Customer D   
*
    18%
Customer E   
*
    15%

 

* Represents less than 10%

 

The following table lists significant vendors that represented more than 10% of the total accounts payable balance at each respective balance sheet date:

 

   June 30,   December 31, 
   2025   2024 
Vendor A   19%   
*
 
Vendor B   24%   15%
Vendor C   
*
    16%

 

* Represents less than 10%