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Organization and Basis of Presentation (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Organization and Basis of Presentation [Line Items]      
Net cash provided by operating activities $ (232,000) $ 1,438,000  
Line of Credit Facility, Increase (Decrease), Other, Net     $ 265,000
Required payments of debt (236,000) $ (208,000)  
Total outstanding debt 23,936,000   23,310,000
Amount of backlog 99,300,000   98,100,000
Loan amount 4,814,000   $ 5,045,000
Revolving Credit Facility [Member]      
Organization and Basis of Presentation [Line Items]      
Line of Credit Facility, Increase (Decrease), Net 16,119,000    
Long-Term Agreements [Member]      
Organization and Basis of Presentation [Line Items]      
Required payments of debt $ 944,000