Contract Assets and Contract Liabilities (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Costs and estimated earnings on uncompleted contracts
Costs incurred on uncompleted contracts	$ 12,765,232	$ 13,730,177
Provision for loss on uncompleted contracts
Estimated earnings to date on uncompleted contracts	614,825	(2,160,085)
Gross contract assets	13,380,057	11,570,092
Less: billings to date	(12,676,540)	(11,970,979)
Net contract assets/(liabilities) on uncompleted contracts	$ 703,517	$ (400,887)