7. SHAREHOLDERS EQUITY (Details - Option activity) - Stock Options [Member] - $ / shares	12 Months Ended
Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Number of Options
Option outstanding, beginning balance	1,134,976	1,249,126	947,500
Granted	263,500	52,000	434,916
Exercised	(166,703)	(130,006)	(49,642)
Canceled/Forfeited	(68,514)	(30,144)	(83,648)
Expired	0	(6,000)	0
Awards Outstanding, ending balance	1,163,259	1,134,976	1,249,126
Vested and Exercisable, end of period	515,394	483,696	401,485
Vested and Expected to Vest, end of period	1,101,800	1,069,807	1,144,405
Weighted-Average Exercise Price Per Share
Outstanding	$ 9.44	$ 8.51	$ 7.50
Granted	22.78	22.36	10.18
Exercised	7.15	5.97	3.56
Canceled/Forfeited	12.17	9.10	8.68
Expired	0.00	5.06	0.00
Outstanding	12.63	9.44	8.51
Vested and Exercisable, end of period	8.57	7.79	6.45
Vested and Expected to Vest, end of period	$ 12.39	$ 9.35	$ 8.41
Weighted-Average Remaining Contractual Life
Outstanding, beginning of period	7 years 3 months 22 days	7 years 8 months 26 days	7 years 8 months 23 days
Outstanding, end of period	7 years 1 month 16 days	7 years 3 months 22 days	7 years 8 months 26 days
Vested and Exercisable	6 years 1 month 2 days	6 years 5 months 23 days	5 years 7 months 2 days
Vested and Expected to Vest	7 years 26 days	7 years 3 months 4 days	7 years 7 months 17 days

Weighted average remaining contractual life outstanding, beginning balance

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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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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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 price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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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 for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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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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