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Contract Assets and Contract Liabilities (Details) - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Costs and estimated earnings on uncompleted contracts    
Costs incurred on uncompleted contracts $ 7,606,868 $ 13,730,177
Provision for loss on uncompleted contracts
Estimated earnings to date on uncompleted contracts 657,694 (2,160,085)
Gross contract assets 8,264,562 11,570,092
Less: billings to date (7,707,974) (11,970,979)
Net contract liabilities on uncompleted contracts $ 556,588 $ (400,887)