6. SHAREHOLDERS EQUITY (Details - Option activity)	9 Months Ended
	May 31, 2017 $ / shares shares
Number of Options
Awards Outstanding, ending balance | shares	1,319,860
Vested and Exercisable, end of period | shares	372,000
Weighted-Average Exercise Price Per Share
Outstanding | $ / shares	$ 8.32
Vested and Exercisable, end of period | $ / shares	$ 5.96
Incentive Stock Options (ISOs) [Member]
Number of Options
Awards Outstanding, beginning balance | shares	894,750
Granted | shares	404,582
Exercised | shares	(9,892)
Canceled/Forfeited | shares	(16,748)
Awards Outstanding, ending balance | shares	1,272,692
Vested and Exercisable, end of period | shares	359,000
Weighted-Average Exercise Price Per Share
Outstanding | $ / shares	$ 7.54
Granted | $ / shares	10.05
Exercised | $ / shares	7.00
Canceled/Forfeited | $ / shares	9.24
Outstanding | $ / shares	8.32
Vested and Exercisable, end of period | $ / shares	$ 5.96
Weighted-Average Remaining Contractual Life
Outstanding, beginning of period	7 years 8 months 19 days
Outstanding, end of period	7 years 9 months 25 days
Vested and Exercisable	5 years 2 months 5 days
Non-Qualified Stock Options (NQSOs) [Member]
Number of Options
Awards Outstanding, beginning balance | shares	52,750
Granted | shares	17,418
Exercised | shares	(9,500)
Canceled/Forfeited | shares	(13,500)
Awards Outstanding, ending balance | shares	47,168
Vested and Exercisable, end of period | shares	13,000
Weighted-Average Exercise Price Per Share
Outstanding | $ / shares	$ 6.88
Granted | $ / shares	10.05
Exercised | $ / shares	5.88
Canceled/Forfeited | $ / shares	7.43
Outstanding | $ / shares	8.10
Vested and Exercisable, end of period | $ / shares	$ 5.78
Weighted-Average Remaining Contractual Life
Outstanding, beginning of period	8 years 25 days
Outstanding, end of period	8 years 7 months 10 days
Vested and Exercisable	6 years 10 months 24 days