2. SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($)	3 Months Ended		9 Months Ended
	May 31, 2017	May 31, 2016	May 31, 2017	May 31, 2016
Numerator
Net income attributable to common shareholders	$ 2,080,029	$ 1,909,339	$ 4,637,354	$ 4,161,161
Denominator
Weighted-average number of common shares outstanding during the period	17,241,891	17,028,634	17,233,470	17,000,228
Dilutive effect of stock options	343,637	198,906	221,394	219,607
Common stock and common stock equivalents used for diluted earnings per share	17,585,528	17,227,540	17,454,864	17,219,835