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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Certain Risks and Concentrations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Concentration Risk [Line Items] |  |  |
Prepayments to vendors | $ 542 |  | $ 356
Total Expenditures | Supplier Concentration Risk | Offshore Supplier One |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 21.00% | 56.00% |
Total Expenditures | Supplier Concentration Risk | Offshore Supplier Two |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 18.00% | 0.00% |
Accounts Payable | Supplier Concentration Risk | Offshore Supplier One |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 34.00% |  | 36.00%
Accounts Payable | Supplier Concentration Risk | Offshore Supplier Two |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 55.00% | 54.00% | 54.00%
Three Customers | Revenue | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 70.00% |  |
Three Customers | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 88.00%
Distributor to the U.S. Navy | Revenue | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 27.00% | 14.00% |
Distributor to the U.S. Navy | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 21.00%
Shipbuilder For U.S. Navy | Revenue | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 24.00% |  |
Shipbuilder For U.S. Navy | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) |  |  | 52.00%
Commercial Customer Accounts | Revenue | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 19.00% | 11.00% |
Commercial Customer Accounts | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 11.00% |  | 15.00%
Two Customers | Revenue | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) |  | 25.00% |
Four Customers | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 88.00% |  |
Two Distributors For The U.S. Navy | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 49.00% |  |
One Shipbuilder For U.S. Navy | Accounts Receivable | Customer Concentration Risk |  |  |
Concentration Risk [Line Items] |  |  |
Concentration risk (less than for geographic concentration risk) | 27.00% |  |

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