v3.25.2
Property, Plant and Equipment, net
 6 Months Ended
Jun. 30, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net Property, Plant and Equipment, net
Property, plant and equipment at June 30, 2025 and December 31, 2024 consisted of the following:
Estimated Useful
Life (in Years)		June 30, 2025December 31, 2024
Energy systems
10 - 15 years
$2,810,232 $2,810,232 
Machinery and equipment
5 - 7 years
1,613,697 1,598,538 
Furniture and fixtures
5 years
249,498 224,868 
Computer software
3 - 5 years
192,865 192,865 
Leasehold improvements*1,114,592 906,739 
5,980,884 5,733,242 
Less - accumulated depreciation and amortization(4,160,825)(3,995,206)
Property, plant and equipment, net$1,820,059 $1,738,036 
* 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, 2025 and 2024 was $100,198 and $195,966 and $110,873 and $205,711, respectively.