7. SHAREHOLDERS EQUITY (Details - Options outstanding and exercisable) - Stock Options [Member] - $ / shares	6 Months Ended
Feb. 29, 2020	Aug. 31, 2019
Awards outstanding	1,251,564	1,163,259
Awards outstanding weighted average remaining contractual life	7 years 1 month 9 days
Awards outstanding weighted average exercise price	$ 15.64	$ 12.63
Awards exercisable	651,889
Awards exercisable weighted average remaining contractual life	6 years 7 days
Awards exercisable weighted average exercise price	$ 10.00
$6.75 to $8.00 [Member]
Exercise price low	6.75
Exercise price high	$ 8.00
Awards outstanding	192,353
Awards outstanding weighted average remaining contractual life	4 years 6 months 7 days
Awards outstanding weighted average exercise price	$ 6.84
Awards exercisable	192,353
Awards exercisable weighted average remaining contractual life	4 years 6 months 7 days
Awards exercisable weighted average exercise price	$ 6.85
$8.01 to $16.00 [Member]
Exercise price low	8.01
Exercise price high	$ 16.00
Awards outstanding	602,161
Awards outstanding weighted average remaining contractual life	6 years 6 months 14 days
Awards outstanding weighted average exercise price	$ 9.97
Awards exercisable	401,606
Awards exercisable weighted average remaining contractual life	6 years 5 months 20 days
Awards exercisable weighted average exercise price	$ 9.92
$16.01 to $24.00 [Member]
Exercise price low	16.01
Exercise price high	$ 24.00
Awards outstanding	241,550
Awards outstanding weighted average remaining contractual life	8 years 3 months 19 days
Awards outstanding weighted average exercise price	$ 20.68
Awards exercisable	57,930
Awards exercisable weighted average remaining contractual life	7 years 10 months 10 days
Awards exercisable weighted average exercise price	$ 21.00
$24.01 to $38.81 [Member]
Exercise price low	24.01
Exercise price high	$ 38.81
Awards outstanding	215,500
Awards outstanding weighted average remaining contractual life	9 years 7 months 28 days
Awards outstanding weighted average exercise price	$ 33.67
Awards exercisable	0
Awards exercisable weighted average remaining contractual life	0 years
Awards exercisable weighted average exercise price	$ 0.00

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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-Name Accounting Standards Codification
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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 outstanding, including both vested and non-vested options.

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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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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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 for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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