v3.26.3
Financing Arrangements (Details 1) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Clean Energy Funding II, LP    
Loans $ 6,500,000 $ 7,000,000
Clean Energy Funding, LP    
Loans 2,000,000 3,500,000
EB-5    
Loans 8,500,000 10,500,000
Less: current portion (6,500,000) (5,500,000)
Noncurrent portion $ 2,000,000 $ 5,000,000