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Organization and Summary of Significant Accounting Policies (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Organization and Summary of Significant Accounting Policies [Line Items]    
Foreign currency translation gains (losses) $ (54,000) $ (56,000)
General and administrative expenses 1,000 5,000
Net loss (6,466,000) (10,123,000)
Accumulated deficit (224,080,000) (217,614,000)
Operating activities by cash $ (5,592,000) $ (6,308,000)
Aggregate shares (in Shares) 1,423,441 903,716
Net proceeds $ 5,800,000  
Other expenses 200,000 $ 244,000
Accounts receivable balance 800,000 700,000
Deferred revenue 0  
Revenue related to contract liabilities $ 2,000 $ 25,000
Credit Concentration Risk [Member] | Customers [Member] | Accounts Receivable [Member]    
Organization and Summary of Significant Accounting Policies [Line Items]    
Concentration of credit and business risks percentage 80.90% 77.80%
Credit Concentration Risk [Member] | Customers [Member] | Seiko Epson [Member]    
Organization and Summary of Significant Accounting Policies [Line Items]    
Concentration of credit and business risks percentage 27.30% 20.20%
Credit Concentration Risk [Member] | Customers [Member] | Alpine Electronics [Member]    
Organization and Summary of Significant Accounting Policies [Line Items]    
Concentration of credit and business risks percentage 20.70% 18.20%
Credit Concentration Risk [Member] | Customers [Member] | Hewlett-Packard Company [Member]    
Organization and Summary of Significant Accounting Policies [Line Items]    
Concentration of credit and business risks percentage 20.40% 33.30%
Credit Concentration Risk [Member] | Customers [Member] | Commercial Vehicle OEM [Member]    
Organization and Summary of Significant Accounting Policies [Line Items]    
Concentration of credit and business risks percentage 11.80%  
Credit Concentration Risk [Member] | Customers [Member] | LG Electronics [Member]    
Organization and Summary of Significant Accounting Policies [Line Items]    
Concentration of credit and business risks percentage   13.10%