2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	Aug. 31, 2016	May 31, 2016	Feb. 29, 2016	Nov. 30, 2015	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
Numerator
Net income attributable to common shareholders	$ 1,151,000	$ 2,080,000	$ 1,196,000	$ 1,362,000	$ 789,000	$ 1,909,000	$ 1,145,000	$ 1,106,000	$ 5,787,597	$ 4,950,136	$ 3,842,961
Denominator
Weighted-average number of common shares outstanding during the period									17,239,490	17,028,566	16,864,670
Dilutive effect of stock options									276,427	180,940	167,488
Common stock and common stock equivalents used for diluted earnings per share									17,515,917	17,209,506	17,032,158