Quarterly report pursuant to Section 13 or 15(d)

Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details)

v3.23.1
Revenue, Contract Assets and Liabilities and Other Contract Matters - Additional Information (Details)
 3 Months Ended
Apr. 01, 2023
USD ($)
Mar. 31, 2023
USD ($)
Vechicle
Mar. 31, 2022
USD ($)
Jan. 01, 2023
USD ($)
Dec. 31, 2022
USD ($)
Long Term Contracts Or Programs Disclosure [Line Items]          
Allowance for doubtful accounts and credit losses   $ 600,000      
Increase to beginning accumulated deficit   (16,330,000)     $ (16,339,000)
Minimum          
Long Term Contracts Or Programs Disclosure [Line Items]          
Future repair costs associated with insurance payments received for buildings   500,000      
Maximum          
Long Term Contracts Or Programs Disclosure [Line Items]          
Future repair costs associated with insurance payments received for buildings   $ 1,500,000      
Hurricane Ida          
Long Term Contracts Or Programs Disclosure [Line Items]          
Date of landfall   Aug. 29, 2021      
Impact of Hurricane Ida, description   On August 29, 2021, Hurricane Ida made landfall near Houma, Louisiana as a high-end Category 4 hurricane, with high winds and heavy rains causing damage to buildings and equipment at our Houma Facilities and resulting in significant debris throughout the facility.      
Insurance payments received   $ 700,000      
Charges associated with insurance recoveries of storm     $ 300,000    
Gain on insurance recovery   200,000      
Gain on interruptions insurance recovery   200,000      
Insurance receivables   $ 1,300,000      
Forty-Vehicle Ferry          
Long Term Contracts Or Programs Disclosure [Line Items]          
Number of vehicle ferry projects with rework and construction challenges. | Vechicle   2      
Projects, percent complete (percentage)   92.00%      
Reserve for loss   $ 800,000      
Seventy-Vehicle Ferry          
Long Term Contracts Or Programs Disclosure [Line Items]          
Projects, percent complete (percentage)   98.00%      
Reserve for loss   $ 100,000      
Remaining Forty-Vehicle Ferry | Hurricane Ida          
Long Term Contracts Or Programs Disclosure [Line Items]          
Total charges related to deductibles   100,000 $ 100,000    
ASU 2016-13          
Long Term Contracts Or Programs Disclosure [Line Items]          
Increase to beginning accumulated deficit       $ 600,000  
Shipyard          
Long Term Contracts Or Programs Disclosure [Line Items]          
Reduction of estimated contract price for liquidated damages, amount   1,500,000     $ 1,400,000
Fabrication | Offshore Jackets Project          
Long Term Contracts Or Programs Disclosure [Line Items]          
Accounts receivable   $ 15,500,000      
Fabrication | Offshore Jackets Project | Subsequent Event          
Long Term Contracts Or Programs Disclosure [Line Items]          
Payments received from accounts receivable $ 3,100,000