Contracts in Progress (Billings in Excess of Costs and Estimated Earnings) (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Contracts in Progress [Abstract]
Billings to date	$ 2,106,313	$ 2,131,579
Costs incurred on uncompleted contracts	414,228	1,208,444
Estimated earnings	278,535	483,046
Cost plus estimated earnings	692,763	1,691,490
Billings in excess of costs plus estimated earnings on uncompleted contracts	$ 1,413,550	$ 440,089