7. SHAREHOLDERS' EQUITY (Details Narrative) - USD ($)	12 Months Ended
	Aug. 31, 2017	Aug. 31, 2016	Aug. 31, 2015
2007 Stock Option Plan [Member]
Common stock reserved for issuance under the plan	2,000,000
Options both ISO and NQSO [Member]
Fair value of the options granted	$ 1,294,826	$ 1,189,730	$ 113,435
Dividend yield	2.15%	2.32%	3.03%
Pre-vest forfeiture rate	6.17%	6.31%	6.20%
Expected volatility	32.93%	34.22%	47.13%
Risk-free interest rate	2.16%	1.42%	2.09%
Expected life	6 years 9 months 11 days	6 years 9 months 18 days	6 years 10 months 21 days
Fair value of non-vested stock options	$ 1,866,395	$ 1,366,269
Weighted average amortizable period	7 years 7 months 2 days	7 years 6 months 29 days