v3.26.1
Property, Plant and Equipment, net
 6 Months Ended
Jun. 30, 2026
Property, Plant, and Equipment [Abstract]  
Property, Plant and Equipment, net Property, Plant and Equipment, net
Property, plant and equipment at June 30, 2026 and December 31, 2025 consisted of the following:
Estimated Useful
Life (in Years)		June 30, 2026December 31, 2025
Energy systems
10 - 15 years
$2,557,726 $2,488,929 
Machinery and equipment
5 - 7 years
1,506,449 1,631,139 
Furniture and fixtures
5 years
283,098 270,837 
Computer software
3 - 5 years
192,865 192,865 
Leasehold improvements*1,195,016 1,166,708 
5,735,154 5,750,478 
Less - accumulated depreciation and amortization(4,204,845)(4,141,157)
Property, plant and equipment, net$1,530,309 $1,609,321 
* Lesser of estimated useful life of asset or lease term
Depreciation and amortization expense on property and equipment for the three and six months ended June 30, 2026 and 2025 was $93,425 and $188,395 and $100,198 and $195,966, respectively.