Annual report pursuant to Section 13 and 15(d)

Summary of significant accounting policies Summary of Significant Accounting Policies (Tables)

v3.20.4
Summary of significant accounting policies Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2020
Accounting Policies [Abstract]  
Disaggregation of Revenue
The following table further disaggregates our revenue by major source by segment for the years ended December 31, 2020 and 2019.
Year Ended December 31, 2020
Products and Services Energy Production Total
Products $ 10,534,096  $ —  $ 10,534,096 
Installation services 5,805,497  —  5,805,497 
Maintenance services 10,077,805  —  10,077,805 
Energy production —  1,837,181  1,837,181 
     Total revenue $ 26,417,398  $ 1,837,181  $ 28,254,579 
Year Ended December 31, 2019
Products and Services Energy Production Total
Products 12,977,896  $ —  $ 12,977,896 
Installation services 7,505,964  —  7,505,964 
Maintenance services 9,801,754  —  9,801,754 
Energy production —  3,140,834  3,140,834 
     Total revenue $ 30,285,614  $ 3,140,834  $ 33,426,448 
Impairment of Long-Lived Assets For the year ended December 31, 2020, we recorded impairment of long-lived assets as follows:
Year Ended December 31, 2020
Energy production asset impairment $ 524,972 
Energy production reversal of unfavorable contract liability (478,411)
Patent applications abandonment 205,345 
Long-lived asset impairment $ 251,906