Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment (Tables)

v3.21.2
Property, Plant and Equipment (Tables)
9 Months Ended
Sep. 30, 2021
Property, Plant and Equipment [Abstract]  
Summary of Property, Plant and Equipment
Property, plant and equipment at September 30, 2021 and December 31, 2020 consisted of the following:
Estimated Useful
Life (in Years)
September 30, 2021 December 31, 2020
Energy systems
1 - 15 years
$ 3,556,488  $ 3,526,514 
Machinery and equipment
5 - 7 years
1,484,790  1,448,024 
Furniture and fixtures
5 years
193,698  193,698 
Computer software
3 - 5 years
192,865  192,865 
Leasehold improvements * 450,791  450,792 
    5,878,632  5,811,893 
Less - accumulated depreciation and amortization   (3,961,149) (3,528,047)
  $ 1,917,483  $ 2,283,846 
* Lesser of estimated useful life of asset or lease term