3. CONTRACTS IN PROGRESS (Details - Billings to date) - USD ($)	Aug. 31, 2018	Aug. 31, 2017
Contractors [Abstract]
Revenues earned to date on uncompleted contracts	$ 11,794,764	$ 7,162,360
Billings to date on uncompleted contracts	(10,193,771)	(5,898,236)
Revenues over billings on uncompleted contracts	$ 1,600,993	$ 1,264,124