6. SHAREHOLDERS EQUITY (Details - Option activity)	3 Months Ended
Nov. 30, 2017 $ / shares shares
Number of Options
Awards Outstanding, ending balance \| shares	1,243,606
Exercisable, end of period \| shares	394,765
Weighted-Average Exercise Price Per Share
Outstanding \| $ / shares	$ 8.63
Exercisable, end of period \| $ / shares	$ 6.51
Equity Incentive Plan [Member]
Number of Options
Awards Outstanding, beginning balance \| shares	1,249,126
Granted \| shares	12,000
Exercised \| shares	(7,792)
Canceled/Forfeited \| shares	(3,728)
Expired \| shares	(6,000)
Awards Outstanding, ending balance \| shares	1,243,606
Exercisable, end of period \| shares	394,765
Weighted-Average Exercise Price Per Share
Outstanding \| $ / shares	$ 8.51
Granted \| $ / shares	17.71
Exercised \| $ / shares	7.28
Canceled/Forfeited \| $ / shares	8.16
Expired \| $ / shares	5.06
Outstanding \| $ / shares	8.63
Exercisable, end of period \| $ / shares	$ 6.51
Weighted-Average Remaining Contractual Life
Outstanding, beginning of period	7 years 6 months 7 days
Outstanding, end of period	7 years 6 months 3 days
Exercisable	5 years 5 months 16 days

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Weighted average remaining contractual life abstract

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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