Annual report [Section 13 and 15(d), not S-K Item 405]

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

v3.26.1
Property, Plant and Equipment, net - Summary of Property and Equipment (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 5,750,478 $ 5,733,242
Less: accumulated depreciation and amortization (4,141,157) (3,995,206)
Net property, plant and equipment $ 1,609,321 1,738,036
Minimum    
Property, Plant and Equipment [Line Items]    
Useful life - years 3 years  
Maximum    
Property, Plant and Equipment [Line Items]    
Useful life - years 15 years  
Energy systems    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 2,488,929 2,810,232
Energy systems | Minimum    
Property, Plant and Equipment [Line Items]    
Useful life - years 10 years  
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 $ 1,631,139 1,598,538
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 $ 270,837 224,868
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 $ 1,166,708 $ 906,739