Quarterly report [Sections 13 or 15(d)]

Revenue - Disaggregation of Revenue (Details)

v3.25.1
Revenue - Disaggregation of Revenue (Details) - USD ($)
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 7,277,770 $ 6,186,097
Products    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 2,533,809 1,491,398
Energy production    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 498,939 680,389
Products Segment    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 2,533,809 1,491,398
Products Segment | Cogeneration    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 1,080,369 774,229
Products Segment | Chiller    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 1,374,197 657,061
Products Segment | Engineered Accessories    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 79,243 60,108
Services | Installation Services [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 4,245,022 4,014,310
Services | Energy Production [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 498,939 680,389
Operating Segments    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 7,277,770 6,186,097
Operating Segments | Products Segment    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax 2,533,809 1,491,398
Operating Segments | Energy Production [Member]    
Disaggregation of Revenue [Line Items]    
Revenue from Contract with Customer, Excluding Assessed Tax $ 498,939 $ 680,389