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Significant Customers, Concentrations of Credit Risk, and Geographic Information (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
segment
customer
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
customer
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Number of operating segments | segment 1    
Revenue $ 3,074 $ 2,664  
Revenue      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Revenue $ 3,074 $ 2,664  
Revenue | Customer Concentration Risk | Customer A      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Concentration risk (as a percent) 17.00% 22.00%  
Revenue | Customer Concentration Risk | Customer B      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Concentration risk (as a percent) 12.00%    
Revenue | Geographic Concentration Risk | United States      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Revenue $ 1,267 $ 1,102  
Revenue | Geographic Concentration Risk | Asia and Middle East      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Revenue 645 369  
Revenue | Geographic Concentration Risk | Europe and other      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Revenue $ 1,162 $ 1,193  
Accounts receivable | Credit Concentration Risk      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Number of customers | customer 1   1
Accounts receivable | Credit Concentration Risk | Customer One      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Concentration risk (as a percent) 23.00%   23.00%
Assets      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Total long-lived assets $ 5,060   $ 5,435
Assets | Geographic Concentration Risk | United States      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Total long-lived assets 1,045   1,122
Assets | Geographic Concentration Risk | Europe      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Total long-lived assets 3,698   3,973
Assets | Geographic Concentration Risk | Asia      
Significant Customers, Concentrations of Credit Risk, and Geographic Information      
Total long-lived assets $ 317   $ 340