Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Summary of Property and Equipment (Details)

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Property, Plant and Equipment - Summary of Property and Equipment (Details) - USD ($)
 6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 5,947,514 $ 5,872,993
Less - accumulated depreciation and amortization (4,236,870) (4,090,049)
Property and equipment, net, before construction in progress 1,710,644 1,782,944
Energy systems    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 3,478,824 3,556,488
Energy systems | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life - years 1 year  
Energy systems | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life - years 15 years  
Machinery and equipment    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,613,029 1,463,153
Machinery and equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life - years 5 years  
Machinery and equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life - years 7 years  
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 196,007 193,698
Useful life - years 5 years  
Computer software    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 192,865 192,865
Computer software | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life - years 3 years  
Computer software | Maximum    
Property, Plant and Equipment [Line Items]    
Useful life - years 5 years  
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 466,789 $ 466,789