Quarterly report [Sections 13 or 15(d)]

Property, Plant and Equipment, net

v3.26.3
Property, Plant and Equipment, net
 9 Months Ended
Sep. 30, 2026
Property, Plant, and Equipment [Abstract]  
Property, Plant and Equipment, net Property, Plant and Equipment, net
Property, plant and equipment at September 30, 2026 and December 31, 2025 consisted of the following:
Estimated Useful
Life (in Years)		 September 30, 2026 December 31, 2025
Energy systems
10 - 15 years
 $ 2,557,726  $ 2,488,929 
Machinery and equipment
5 - 7 years
 1,469,244  1,631,139 
Furniture and fixtures
5 years
 284,457  270,837 
Computer software
3 - 5 years
 192,865  192,865 
Leasehold improvements * 1,218,733  1,166,708 
5,723,025  5,750,478 
Less - accumulated depreciation and amortization (4,253,154) (4,141,157)
Property, plant and equipment, net $ 1,469,871  $ 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 nine months ended September 30, 2026 and 2025 was $90,505 and $278,900 and $104,405 and $300,371, respectively.