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Contracts in Progress (Costs and Estimated Earnings in Excess of Billings) (Details) - USD ($) | Jun. 30, 2025 | Dec. 31, 2024
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Contracts in Progress [Abstract] |  |
Costs incurred on uncompleted contracts | $ 2,895,293 | $ 1,233,151
Estimated earnings | 2,802,369 | 1,219,234
Total costs and estimated earnings | 5,697,662 | 2,452,385
Billings to date | 5,093,585 | 1,891,737
Costs and estimated earnings in excess of billings on uncompleted contracts | $ 604,077 | $ 560,648

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