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v3.25.1

Property, plant and equipment (Tables) | 12 Months Ended
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Dec. 31, 2024
Property, Plant and Equipment [Abstract] |
Summary of Property, Plant and Equipment | Property, plant and equipment at December 31, 2024 and 2023 consisted of the following:
| Estimated Useful Life (in Years) |  | 2024 |  | 2023
Energy systems | 10 - 15 years |  | $ | 2,810,232 |  |  | $ | 2,810,232 |
Machinery and equipment | 5 - 7 years |  | 1,598,538 |  |  | 1,744,596 |
Furniture and fixtures | 5 years |  | 224,868 |  |  | 212,963 |
Computer software | 3 - 5 years |  | 192,865 |  |  | 192,865 |
Leasehold improvements | * |  | 906,739 |  |  | 466,789 |
|  |  | 5,733,242 |  |  | 5,427,445 |
Less - accumulated depreciation and amortization |  |  | (3,995,206) |  |  | (4,264,868) |
Net property, plant and equipment |  |  | $ | 1,738,036 |  |  | $ | 1,162,577 |
* Lesser of estimated useful life of asset or lease term

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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