2. SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
Numerator
Net income attributable to common shareholders	$ 2,406,037	$ 2,080,029	$ 7,596,828	$ 4,637,354
Denominator
Weighted-average number of common shares outstanding during the period	17,339,937	17,241,891	17,308,414	17,233,470
Dilutive effect of stock options	564,491	343,637	541,757	221,394
Common stock and common stock equivalents used for diluted earnings per share	17,904,428	17,585,528	17,850,171	17,454,864