Contracts in Progress (Costs and Estimated Earnings in Excess of Billings) (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Contracts in Progress [Abstract]
Costs incurred on uncompleted contracts	$ 119,782	$ 931,801
Estimated earnings	396,174	513,648
Costs and estimated earnings on uncompleted contracts	515,956	1,445,449
Billings to date	458,715	667,964
Costs and estimated earnings in excess of billings on uncompleted contracts	$ 57,241	$ 777,485