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v3.25.1

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%

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