v3.25.2
UNCOMPLETED CONTRACTS - Summary of costs, estimated earnings, and billings on uncompleted contracts (Details) - USD ($)
Jun. 30, 2025
Sep. 30, 2024
UNCOMPLETED CONTRACTS    
Costs incurred on contracts in progress $ 444,808,043 $ 347,180,901
Estimated earnings, net of estimated losses 77,668,447 59,349,378
Costs of uncompleted contracts including net estimated earnings 522,476,490 406,530,279
Less billings to date 523,451,080 398,885,475
Unbilled contracts (974,590) 7,644,804
Costs and estimated earnings in excess of billed on uncompleted contracts 26,685,573 24,595,792
Less billings in excess of costs and estimated earnings on uncompleted contracts 27,660,163 16,950,988
Unbilled contracts receivable $ (974,590) $ 7,644,804