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

Income Taxes - Narrative (Details)

v3.26.1
Income Taxes - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2017
Operating Loss Carryforwards [Line Items]      
Expired net operating losses $ 130,882 $ 324,799  
NOLs which expire 20,509,658    
NOLs with indefinite carryforward 25,999,342    
Change in valuation allowance 1,846,721 $ 920,794  
Internal Revenue Service (IRS)      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 46,509,000    
Operating loss carryforwards, expired 245,000    
State Jurisdiction      
Operating Loss Carryforwards [Line Items]      
Operating loss carryforwards 35,705,000    
American DG Energy      
Operating Loss Carryforwards [Line Items]      
Ownership interest     100.00%
Annual limitation of acquired NOL $ 391,940    
Period of limitation on acquired NOL 20 years