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7. SHAREHOLDERS EQUITY (Details - Options outstanding and exercisable) - Stock Options [Member]	3 Months Ended
	Nov. 30, 2019 $ / shares shares
Awards outstanding | shares	1,141,279
Awards outstanding weighted average remaining contractual life	6 years 11 months 26 days
Awards outstanding weighted average exercise price	$ 13.44
Awards exercisable | shares	511,534
Awards exercisable weighted average remaining contractual life	5 years 10 months 25 days
Awards exercisable weighted average exercise price	$ 9.25
$6.75 to $8.00 [Member]
Exercise price low	6.75
Exercise price high	$ 8.00
Awards outstanding | shares	212,753
Awards outstanding weighted average remaining contractual life	4 years 9 months 7 days
Awards outstanding weighted average exercise price	$ 6.84
Awards exercisable | shares	212,753
Awards exercisable weighted average remaining contractual life	4 years 9 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 | shares	604,376
Awards outstanding weighted average remaining contractual life	6 years 10 months 17 days
Awards outstanding weighted average exercise price	$ 9.97
Awards exercisable | shares	274,381
Awards exercisable weighted average remaining contractual life	6 years 8 months 12 days
Awards exercisable weighted average exercise price	$ 9.94
$16.01 to $24.00 [Member]
Exercise price low	16.01
Exercise price high	$ 24.00
Awards outstanding | shares	242,650
Awards outstanding weighted average remaining contractual life	8 years 6 months 18 days
Awards outstanding weighted average exercise price	$ 20.68
Awards exercisable | shares	24,400
Awards exercisable weighted average remaining contractual life	6 years 10 months 3 days
Awards exercisable weighted average exercise price	$ 22.56
$24.01 to $36.11 [Member]
Exercise price low	$ 24.01
Awards outstanding | shares	81,500
Awards outstanding weighted average remaining contractual life	9 years 8 months 19 days
Awards outstanding weighted average exercise price	$ 34.80
Awards exercisable | shares	0
Awards exercisable weighted average remaining contractual life	0 years
Awards exercisable weighted average exercise price	$ 0.00

X

- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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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 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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