Contract Assets and Contract Liabilities (Details) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Costs and estimated earnings on uncompleted contracts
Costs incurred on uncompleted contracts	$ 7,004,438	$ 4,272,425
Provision for loss on uncompleted contracts	391,703	2,238,578
Estimated earnings to date on uncompleted contracts	(3,731,057)	(3,156,377)
Gross contract assets	3,665,084	3,354,626
Less: billings to date	(8,737,401)	(4,750,289)
Net contract assets (liabilities), on uncompleted contracts	$ (5,072,317)	$ (1,395,663)