2. SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($)	3 Months Ended		6 Months Ended
	Feb. 28, 2019	Feb. 28, 2018	Feb. 28, 2019	Feb. 28, 2018
Numerator
Net income attributable to common shareholders	$ 2,099,449	$ 3,474,786	$ 3,635,396	$ 5,190,790
Denominator
Weighted-average number of common shares outstanding during the period	17,476,603	17,302,763	17,449,069	17,292,391
Dilutive effect of stock options	526,138	552,558	535,009	550,954
Common stock and common stock equivalents used for diluted earnings per share	18,002,741	17,855,351	17,984,078	17,843,345