Contracts in Progress (Billings in Excess of Costs and Estimated Earnings) (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Contracts in Progress [Abstract]
Billings to date	$ 2,131,579	$ 4,208,409
Costs incurred on uncompleted contracts	1,208,444	1,122,453
Estimated earnings	483,046	380,547
Cost plus estimated earnings	1,691,490	1,503,000
Billings in excess of costs plus estimated earnings on uncompleted contracts	$ 440,089	$ 2,705,409