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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Summary of Significant Accounting Policies |
Summary of disaggregation of revenues by categories |
|  |  | Year Ended December 31,
| Revenue by Segments and Customer Type |  | 2024 |  |  | 2023
| Construction Segment: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Government |  | $ | — |  |  | — | % |  |  | $ | 1,087,545 |  |  | 7 | %
| Hotel/Hospitality |  |  | 181,719 |  |  | 4 | % |  |  |  | 250,450 |  |  | 2 | %
| Office |  |  | 4,794,899 |  |  | 96 | % |  |  |  | 14,869,659 |  |  | 90 | %
| Special Use |  |  | — |  |  | — | % |  |  |  | 315,426 |  |  | 1 | %
| Total Construction Revenue Segment (includes engineering service revenue) |  | $ | 4,976,618 |  |  | 100 | % |  |  | $ | 16,523,080 |  |  | 100 | %
Schedule of activity of investment in equity method investment |
| Initial value upon Deconsolidation | $ | 7,674,665 |
| Disposition of shares of SG DevCorp |  | (320,408 | )
| Change in fair value of investment |  | (6,616,201 | )
| Ending value | $ | 738,056 |
Schedule of significant assumptions used to measure fair value |
|  |  | Fair value measured as of December 31 2024 |
|  |  | Total at December 31, 2024 |  |  | Quoted prices in active markets |  |  | Significant other observable inputs |  |  | Significant unobservable inputs |
|  |  |  |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
| Assets |  |  |  |  |  |  |  |  |  |  |  |
| Investment in SG DevCorp | $ | 738,056 |  | $ | 738,056 |  | $ | - |  | $ | - |

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