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Organization and Summary of Significant Accounting Policies - Additional Information (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) Segment | Sep. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Number of operating segments | Segment |  |  |  | 3 |  |
Number of corporate non-operating segments | Segment |  |  |  | 1 |  |
Gain (loss) on sale of assets |  |  |  | $ 3,942,000 | $ 249,000 |
Prepaid contract costs | $ 0 |  |  | 0 |  | $ 0
Federal Income Tax Expense (Benefit), Continuing Operations | $ 0 |  | $ 0 | 0 | $ 0 |
Fabrication Division |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Gain (loss) on sale of assets |  |  |  | 1,100,000 |  |
Fabrication Division | Houma Facilities |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Gain (loss) on sale of assets |  |  |  | 2,900,000 |  |
Proceeds from the sale of assets held for sale net of transaction and other costs |  | $ 8,500,000 |  |  |  |
ASU 2016-13 |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Decrease to contract receivables and retainage, net and contract assets |  |  |  | (400,000) |  |
Decrease to other noncurrent assets |  |  |  | 200,000 |  |
Increase to beginning accumulated deficit |  |  |  | $ 600,000 |  |
Minimum |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property, plant and equipment, useful life | 3 years |  |  | 3 years |  |
Maximum |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Property, plant and equipment, useful life | 25 years |  |  | 25 years |  |
LC Facility |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Restricted cash | $ 1,500,000 |  |  | $ 1,500,000 |  | $ 1,500,000
LC Facility | Balance Sheet Date Classified as Current |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Maturity date, description |  |  |  | maturity dates of twelve months or less from the balance sheet date classified as current |  |
LC Facility | Balance Sheet Date Classified as Noncurrent |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |
Maturity date, description |  |  |  | maturity dates of longer than twelve months from the balance sheet date classified as noncurrent |  |

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