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Property, Plant, and Equipment (Tables)
9 Months Ended
Sep. 30, 2023
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment The following table summarizes the estimated useful lives used to depreciate property, plant and equipment and assets:
Asset ClassificationUseful Life
Furniture and Equipment
4 – 7
Demonstration Plant7
Construction in Progress
The following table summarizes the key classifications of property, plant and equipment as of September 30, 2023 (Successor) and December 31, 2022 (Predecessor):
September 30, 2023 (Successor)December 31, 2022 (Predecessor)
Furniture and Equipment, gross$253 $368 
Accumulated Depreciation(17)(216)
Furniture and Equipment, net236 152 
Demonstration Plant, gross89,240 128,013 
Accumulated Depreciation(3,955)(58,570)
Demonstration Plant, net85,285 69,443 

Construction in Progress6,237 — 

Total Property, Plant and Equipment, net$91,758 $69,595 
Schedule of Asset Retirement Obligations
Asset Retirement Obligation - The following table disaggregates the contents of the Company's asset retirement obligation included in Property, Plant and equipment, net on the Consolidated Balance Sheets as of December 31, 2022 (Predecessor):
December 31, 2022 (Predecessor)
Asset Retirement Obligation, gross$2,201 
Accumulated Depreciation(348)
Asset Retirement Obligation, net$1,853