8. INCOME TAXES (Details - Reconciliation)	12 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Income Tax Disclosure [Abstract]
Income tax computed at federal statutory tax rate	25.40%	34.00%	34.00%
State taxes, net of federal benefit	4.00%	3.50%	3.40%
Meals & Entertainment	0.00%	0.00%	0.10%
Stock Based Compensation	0.50%	0.00%	1.30%
Other permanent differences	1.20%	(0.50%)	(0.60%)
Research and development credit	(2.60%)	(3.60%)	(2.70%)
Domestic Production Activities	(1.80%)	(2.30%)	(3.60%)
Change in deferred income taxes due to statutory rate changes	(14.80%)
Change in prior year estimated taxes	0.00%	(1.30%)	(0.30%)
Total	11.90%	29.80%	31.60%