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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2024
Accounting Policies [Abstract] |
Summary of disaggregation of revenues by categories |
|  |  | Three Months Ended September 30,
| Revenue by Customer Type |  | 2024 |  | 2023
| Construction and Engineering Services: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Office |  | $ | 1,753,223 |  |  | 100 | % |  | $ | 3,965,361 |  |  | 100 | %
| Total revenue by customer type |  | $ | 1,753,223 |  |  | 100 | % |  | $ | 3,965,361 |  |  | 100 | %
|  |  | Nine Months Ended September 30,
| Revenue by Customer Type |  | 2024 |  | 2023
| Construction and Engineering Services: |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Hotel/Hospitality |  | $ | 181,719 |  |  | 5 | % |  | $ | 44,201 |  |  | — | %
| Office |  |  | 3,750,873 |  |  | 95 | % |  |  | 14,522,150 |  |  | 100 | %
| Total revenue by customer type |  | $ | 3,932,592 |  |  | 100 | % |  | $ | 14,566,351 |  |  | 100 | %
Summary of combined financial position of equity affiliates |
| Condensed balance sheet information: | September 30, 2024 |
|  |  | (Unaudited) |
| Total assets | $ | 13,000,000 |
| Total liabilities | $ | 12,200,000 |
| Stockholder’s equity/Members’ equity | $ | 800,000 |
Fair Value, by Balance Sheet Grouping |
|  | Fair value measured as of September 30, 2024 |
|  | Total at September 30, 2024 |  | Quoted prices in active markets |  | Significant other observable inputs |  | Significant unobservable inputs |
|  |  |  | (Level 1) |  | (Level 2) |  | (Level 3) |
| Assets |  |  |  |  |  |  |  |
| Equity-based investment – SG DevCorp | $ | 1,763,594 |  | $ | 1,763,594 |  | $ | — |  | $ | — |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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