REVENUE RECOGNITION (Details - Contracts in Progess) - USD ($)	Aug. 31, 2020	Aug. 31, 2019
Revenue from Contract with Customer [Abstract]
Revenues in excess of billings	$ 3,093,343	$ 3,233,659
Billings in excess of revenues	(140,991)	(798,549)
Revenues over billings on uncompleted contracts	2,952,352	2,435,110
Revenues earned to date on uncompleted contracts	20,235,573	19,254,928
Billings to date on uncompleted contracts	$ (17,283,221)	$ (16,819,818)

Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings.

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