6. SHAREHOLDERS EQUITY (Details - Option activity)	3 Months Ended
	Nov. 30, 2016 $ / shares shares
Number of Options
Awards Outstanding, ending balance | shares	954,500
Exercisable, end of period | shares	312,480
Weighted-Average Exercise Price Per Share
Outstanding | $ / shares	$ 7.55
Exercisable, end of period | $ / shares	$ 5.11
Incentive Stock Options (ISOs) [Member]
Number of Options
Awards Outstanding, beginning balance | shares	894,750
Granted | shares	12,000
Exercised | shares	(1,000)
Canceled/Forfeited | shares
Awards Outstanding, ending balance | shares	905,750
Exercisable, end of period | shares	289,980
Weighted-Average Exercise Price Per Share
Outstanding | $ / shares	$ 7.54
Granted | $ / shares	10.01
Exercised | $ / shares	6.85
Canceled/Forfeited | $ / shares
Outstanding | $ / shares	7.57
Exercisable, end of period | $ / shares	$ 5.02
Weighted-Average Remaining Contractual Life
Outstanding, beginning of period	7 years 8 months 19 days
Outstanding, end of period	7 years 6 months
Exercisable	4 years 9 months 18 days
Non-Qualified Stock Options (NQSOs) [Member]
Number of Options
Awards Outstanding, beginning balance | shares	52,750
Granted | shares	0
Exercised | shares	(4,000)
Awards Outstanding, ending balance | shares	48,750
Exercisable, end of period | shares	22,500
Weighted-Average Exercise Price Per Share
Outstanding | $ / shares	$ 6.88
Granted | $ / shares	0.00
Exercised | $ / shares	4.78
Outstanding | $ / shares	7.06
Exercisable, end of period | $ / shares	$ 6.17
Weighted-Average Remaining Contractual Life
Outstanding, beginning of period	8 years 26 days
Outstanding, end of period	7 years 10 months 28 days
Exercisable	6 years 4 months 21 days