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Property, Plant, and Equipment (Tables) | 6 Months Ended
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Jun. 30, 2025
Property, Plant and Equipment [Abstract] |
Property, Plant and Equipment | The following table summarizes the key classifications of property, plant, and equipment included in the condensed consolidated balance sheets:
|  | June 30, |  | December 31,
$ in thousands |  | 2025 |  | 2024
Demonstration Plant |  | $ | 122,352 |  |  | $ | 122,845 |
Furniture and equipment |  | 1,173 |  |  | 1,069 |
Assets acquired under finance lease |  | 349 |  |  | 349 |
Construction-in-progress |  | 3,326 |  |  | 48,438 |
Total property, plant, and equipment, gross |  | 127,200 |  |  | 172,701 |
Accumulated depreciation and amortization (1) |  | (30,605) |  |  | (21,231) |
Total property, plant, and equipment, net |  | $ | 96,595 |  |  | $ | 151,470 |
___________ (1) As of June 30, 2025 and December 31, 2024, $45 thousand and $18 thousand, respectively, of accumulated depreciation and amortization is related to amortization of the finance lease right-of-use assets. The following table presents the Company’s depreciation expense for the following periods:
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
$ in thousands |  | 2025 |  | 2024 |  | 2025 |  | 2024
Depreciation expense |  | $ | 4,613 |  |  | $ | 3,176 |  |  | $ | 9,347 |  |  | $ | 6,353 |

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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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