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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Certain Risks and Concentrations (Details) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 USD ($) supplier | Sep. 30, 2023 supplier | Sep. 30, 2024 USD ($) supplier | Sep. 30, 2023 supplier | Dec. 31, 2023 USD ($) supplier
Concentration Risk [Line Items] |  |  |  |  |
Prepayments to vendors | $ | $ 431 |  | $ 431 |  | $ 792
Number of offshore supplier | 2 |  | 2 |  | 2
Related Party |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Number of offshore supplier | 1 | 1 | 1 | 1 |
Accounts Payable | Supplier Concentration Risk | Offshore Supplier One |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 29.00% |  | 16.00%
Accounts Payable | Supplier Concentration Risk | Offshore Supplier Two |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 44.00% | 57.00% |
Four Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) | 66.00% |  | 85.00% |  |
Shipbuilder For U.S. Navy | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) | 24.00% |  |  |  |
Shipbuilder For U.S. Navy | Revenue | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  | 42.00% |  |  |
Distributor To The U.S. Navy | Revenue | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) | 26.00% | 42.00% | 29.00% |  |
Primary Commercial Lighting | Revenue | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) | 16.00% |  | 10.00% |  |
Two Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  | 42.00% |  | 29.00% |
Three Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 39.00% |  |
Distributor To The U.S. Department Of Defense Accounted | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Concentration Risk [Line Items] |  |  |  |  |
Concentration risk (less than for geographic concentration risk) |  |  |  |  | 74.00%

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