3. CONTRACTS IN PROGRESS (Details - Billings to date) - USD ($)	Aug. 31, 2017	Aug. 31, 2016
Contractors [Abstract]
Revenues earned to date on uncompleted contracts	$ 7,162,360	$ 2,557,507
Billings to date on uncompleted contracts	(5,898,236)	(2,093,476)
Revenues over billings on uncompleted contracts	$ 1,264,124	$ 464,031