v3.26.1
Schedule of contract assets and liabilities (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Contract Assets And Liabilities      
Contract assets $ 34,278,512 $ 33,670,354 $ 32,832,290
Contract liabilities $ 2,970,578 $ 1,628,382 $ 2,430,663